Prasanna

Refer to our Texas Go Math Grade 4 Answer Key Pdf to score good marks in the exams. Test yourself by practicing the problems from Texas Go Math Grade 4 Lesson 9.2 Answer Key Interpret the Remainder.

Texas Go Math Grade 4 Lesson 9.2 Answer Key Interpret the Remainder

Essential Question

How can you use remainders in division problems?
Answer:
Depending on the division problem you are solving, the 4 ways to interpret the remainder are the following.
Write the remainder as a fraction.
Add 1 to the quotient.
Use only the remainder (or drop the quotient) Drop the remainder (or use only the quotient)

Unlock the Problem

Magda has some leftover wallpaper 73 inches long. She wants to cut it into 8 pieces to use arotLnd the photos in her scrapbook. Each piece will have equal length. How long will each piece be?
When you solve a division problem with a remainder, the way you interpret the remainder depends on the situation and the question.
Answer:
73 ÷ 8
Quotient 9, remainder 1
Explanation:
Magda has some leftover wallpaper 73 inches long.
She wants to cut it into 8 pieces to use arotLnd the photos in her scrapbook.
Each piece will have equal length.
The length of each piece is 9 inches.

One Way Write the remainder as a fraction.

The divisor is _______ pieces.
The __________ is 73 inches.

Divide to find the quotient and remainder.
The remainder represents 1 inch left over, which can also be divided into 8 equal parts and written as a fraction.
\(\frac{\text { remainder }}{\text { divisor }}\) = __________
Write the quotient with the remainder written as a fraction. __________
So, each piece will be __________ inches long.
Answer:
The divisor is 8 pieces.
The dividend is 73 inches.
\(\frac{\text { remainder }}{\text { divisor }}\) = \(\frac{\text { 1 }}{\text { 8 }}\)
Write the quotient with the remainder written as a fraction. 0.125
So, each piece will be 9.125 inches long.
Explanation:
9 + 0.125 = 9.125
9.125 x 8 = 73

Try This!

Jim made 32 ounces of soup for 3 adults and 2 children. If each person gets the same amount, how many ounces will each person get? Complete the division.

Each person gets _________ ounces.
Answer:
Each person gets 6.4 ounces.
32 ÷ 5
Quotient = 6, remainder = 2
2 ÷ 5 = 0.4
Explanation:
Jim made 32 ounces of soup for 3 adults and 2 children.
If each person gets the same amount,
Each person will get 6.4 or 6 ounces.
32 ÷ 5
Quotient = 6, remainder = 2
2 ÷ 5 = 0.4

Math Talk

Mathematical Processes
Explain what the 2 in the answer represents.
Answer:
2 is remainder
Explanation:
Jim made 32 ounces of soup for 3 adults and 2 children.
If each person gets the same amount,
Each person will get 6.4 or 6 ounces.
32 ÷ 5
Quotient = 6, remainder = 2
2 ÷ 5 = 0.4

Other Ways

(A) Use only the quotient.

Ben is a tour guide at a glass-blowing studio. He can take no ‘more than 7 people at a time on a tour. If 80 people want to see the glass-blowing demonstration, how many groups of 1 people will Ben show around?

First, divide to find the quotient and remainder.
Then, decide how to use the quotient and remainder.
The quotient is _____________ .
The remainder is _____________.

Answer:
Quotient 11
Remainder 3
Explanation:
Ben can give tours to 7 people at a time.
The quotient is the number of tour groups of exactly 7 people he can show around.
80 ÷ 7
11 x 7 = 77
Quotient is 11 and remainder is 3
77 + 3 = 80
The quotient is 11.
The remainder is 3.

So, Ben gives tours to _________ groups of 7 people.
Answer:
So, Ben gives tours to 11 groups of 7 people.

(B) Add 1 to the quotient.

If Ben gives tours to all 80 people, how many tours will he give? A tour can have no more than 7 people. To show all 80 people around, Ben will have to give 1 more tour.

So, ben will give _________ tours in all for 80 people.
Answer:
So, ben will give 12 tours in all for 80 people
Explanation:
If Ben gives tours to all 80 people,
A tour can have no more than 7 people.
To show all 80 people around, Ben will have to give 1 more tour.
80 ÷ 7 = 11
3 people left.
Estimate of 12 tours can be done.

(C) Use only the remainder.
Ben gives tours to all 80 people. After he completes the tours for groups of 7 people, how many people are in his last tour? The remainder is 3.
So, Ben’s last tour will have ___________ people.
Answer:
3 people only
Explanation:
Ben gives tours to all 80 people.
After he completes the tours for groups of 7 people, how many people are in his last tour
The remainder is 3.
80 ÷ 7 = 11
3 people left.

Try This!

Soccer players and their coaches are driven to soccer games in vans. Each van holds 9 people. How many vans are needed for 27 players and 4 coaches?

Divide. ___________ ÷ 9 ___________
Since there are ___________ people left over, ÷ vans are needed to carry the players and coaches.
Answer:
27 players and 4 coaches = 31 people
31 ÷ 9
The quotient is 3.
The remainder is 4.
Divide. 31 ÷ 9 = 3 is quotient and 4 is remainder
Since there are 4 people left over, 4 vans are needed to carry the players and coaches.
Explanation:
Soccer players and their coaches are driven to soccer games in vans
Each van holds 9 people.
Total vans needed for 27 players and 4 coaches
27 players and 4 coaches = 31 people
31 ÷ 9 = 3 is quotient and 4 is remainder.

Math Talk

Mathematical Processes
Explain why you would not write the remainder as a fraction when you find the number of vans needed.
Answer:
Each van holds 9 people and 3 vans are needed for 27 players and 1 van for 4 coaches. vans of people can not be divided in to fractions for transport.
Explanation:
 A remainder is the number left over after a division.
It has not been divided.
To write a remainder as a fraction, divide it by the number being divided by. 

Share and Show

Go Math Lesson 9.2 4th Grade Interpret The Remainder Question 1.
Olivia baked 53 mini-loaves of banana bread to be sliced for snacks at a craft fair. She will place an equal number of loaves in 6 different locations. How many loaves will be at each location?

Answer:
8 locations
53 ÷ 6
Quotient is 8 and remainder is 5
Explanation:
Olivia baked 53 mini-loaves of banana bread to be sliced for snacks at a craft fair.
She will place an equal number of loaves in 6 different locations.
Number of loaves in each location
53 ÷ 6
Quotient is 8 and remainder is 5

a. Divide to find the quotient and remainder.
Answer:
53 ÷ 6
Quotient is 8 and remainder is 5

b. Decide how to use the quotient and remainder to answer the question.
Answer:
8\(\frac{\text { 5 }}{\text { 6 }}\)

Interpret the remainder to solve.

Question 2.
What if Olivia wants to put only whole loaves at each location? How many loaves. will be at each location?
Answer:
8 locations

Question 3.
Ed carves 22 small wooden animals to sell at the craft fair. He displays them in rows with 4 animals in a row. How many animals will not be in equal rows?
Answer:
22 ÷ 4
20 are in 5 rows
2 are not in row
Explanation:
Ed carves 22 small wooden animals to sell at the craft fair.
He displays them in rows with 4 animals in a row.
Number of animals will not be in equal rows
22 ÷ 4
20 are in 5 rows
2 are not in row

Problem Solving

Interpret the remainder to solve.

Question 4.
Myra has a 17-foot roll of crepe paper to make 8 streamers to decorate for a party. How long will each streamer be if she cuts the roll into equal pieces?
Answer:
2 feet of crepe paper roll
2\(\frac{\text { 1 }}{\text { 8 }}\)
Explanation:
Myra has a 17-foot roll of crepe paper to make 8 streamers to decorate for a party.
How long will each streamer be if she cuts the roll into equal pieces
17 ÷ 8 = 2 is the quotient and 1 is the remainder.

4th Grade Go Math Lesson 9.2 Answer Key Question 5.

H.O.T. Multi-Step Juan has a piano recital next month. Last week he practiced for 8 hours in the morning and 7 hours in the afternoon. A full practice session is 2 hours long. How many hill practice sessions does Juan complete?
Answer:
7 complete sessions
7\(\frac{\text { 1 }}{\text { 2 }}\)
Explanation:
Last week Juan practiced for 8 hours in the morning and
7 hours in the afternoon.
Total he practiced 8 + 7 = 15 hours.
A full practice session is 2 hours long.
Total practice sessions he completed
15 ÷ 2 = 7 is quotient and 1 is remainder.

Question 6.
H.O.T. A total of 25 students sign up to be hosts on Parents’ Night. Teams of 3 students greet parents. How many students cannot be on a team? How many more students must help so everyone is on a team? Explain.
Answer:
1 student cannot be on a team.
7 more students must help.
Explanation:
A total of 25 students sign up to be hosts on Parents’ Night.
Teams of 3 students greet parents.
Number of students cannot be on a team is 1
25 ÷ 3 = 8 Quotient
1 remainder
Number of more students must help so everyone is on a team is 7
As, each team contains 8 students
To form one more team we need 7 students.

Daily Assessment Task

Fill in the bubble completely to show your answer.

Question 7.
Apply Jim has a puppet pattern that calls for 6 feet of fleece. He has 50 feet of fleece. If he makes the greatest number of puppets possible, how much fleece will he have left?
(A) 2 feet
(B) 7 feet
(C) 4 feet
(D) 8 feet
Answer:
Option(A)
Explanation:
Apply Jim has a puppet pattern that calls for 6 feet of fleece.
He has 50 feet of fleece.
Total number of puppets possible,
50 ÷ 6 = 8
The leftover fleece is 2 feet.

Texas Go Math Grade 4 Answer Key Lesson 9.2 Question 8.
Deshawn wants to place 77 photos in an album. Each page of the album holds 9 photos. What is the least number of pages Deshawn will need to use so that all 77 of the photos are placed in the album?
(A) 5 pages
(B) 9 pages
(C) 8 pages
(D) 6 pages
Answer:
Option(A)
Explanation:
Deshawn wants to place 77 photos in an album.
Each page of the album holds 9 photos.
The least number of pages Deshawn will need to use is 5
77÷ 9 =  72 Quotient
5 is left over pages.

Question 9.
Multi-Step Kathy has 10 tortillas that she will use to make mini pizzas. She has 43 pepperoni slices and will use 7 of them on each pizza. After she makes as many pepperoni pizzas as she can, she will make cheese pizzas. How many cheese pizzas will Kathy make?
(A) 3
(B) 6
(C) 5
(D) 4
Answer:
Option(D)
Explanation:
Kathy has 10 tortillas that she will use to make mini pizzas.
She has 43 pepperoni slices and will use 7 of them on each pizza.
43÷7 = 6
After she makes as many pepperoni pizzas as she can, she will make cheese pizzas.
Number of cheese pizzas will Kathy make
10 – 6 = 4

TEXAS Test Prep

Go Math Grade 4 Lesson 9.2 Answer Key Question 10.
Mr. Alla gives a “Good Job” badge to each of the 74 students who help at a school event. There are 8 badges in a package. How many packages will he open?
(A) 9\(\frac{1}{4}\)
(B) 9
(C) 2
(D) 10
Answer:
Option(A)
Explanation:
Mr. Alla gives a “Good Job” badge to each of the 74 students who help at a school event.
There are 8 badges in a package.
Number of packages will he open
74÷8 = 9 Quotient
2 is remainder
So, 9\(\frac{1}{4}\)

Texas Go Math Grade 4 Lesson 9.2 Homework and Practice Answer Key

Question 1.
The principal at Oak School ordered 25 pizzas for the fourth grade classes to share. He will deliver an equal number of pizzas to each of 8 classes. How many pizzas will each class receive?

Answer:
a. Divide to find the quotient and remainder.
Answer:
Quotient =3
Remainder =1

b. Decide how to use the quotient and remainder to answer the question.
Answer:
25÷8 = 3
Quotient = 3
Remainder = 1
Explanation:
To calculate quotient and remainder:
quotient= dividend / divisor;
remainder= dividend % divisor;

Question 2.
What if the principal wants to deliver only whole pizzas to each class? How many pizzas will each class receive?
Answer:
Each class will receive 3 pizzas
Explanation:
25÷8 = 3
1 pizza is left over

Question 3.
A total of 58 trophies will be given out at the swim meet. Each box holds 6 trophies, How many boxes are needed to carry the trophies?
Divide 58 ÷ 6 ____________
Since there are ____________ trophies left over, ____________ boxes are needed to carry 58 trophies.
Answer:
Divide 58 ÷ 6 = 9 is quotient and 6 is remainder
Since there are 6 trophies left over, 9 boxes are needed to carry 58 trophies.
Explanation:
A total of 58 trophies will be given out at the swim meet.
Each box holds 6 trophies,
Total boxes needed to carry the trophies
58÷6 = 9
Left over trophies = 6
4 trophies are less in 10th box.

Problem Solving

Question 4.
Chandra has 15 feet of ribbon to make bows for 6 cheer team members. How much ribbon can she use for each bow if she cuts the ribbon into equal pieces?
Answer:
2\(\frac{\text { 1 }}{\text { 2 }}\) feet
Explanation:
Chandra has 15 feet of ribbon to make bows for 6 cheer team members.
Total ribbon she use for each bow if she cuts the ribbon into equal pieces
15÷6 = 2 feet
3feet is left
2\(\frac{\text { 1 }}{\text { 2 }}\)

Go Math Answer Key Grade 4 Interpreting The Remainder Question 5.
A group of 34 students will go to the museum. Each van can hold 6 students. What is the least number of vans needed to transport the students?
Answer:
5 vans are needed
Explanation:
A group of 34 students will go to the museum.
Each van can hold 6 students.
The least number of vans needed to transport the students
34÷6 = 5
4 students are left.

Lesson Check

Fill in the bubble completely to show your answer.

Question 6.
Hachel wants to place 50 cupcakes in boxes to sell at the school carnival. If each box holds 4 cupcakes, how many boxes can she fill with exactly 4 cupcakes?
(A) 14
(B) 16
(C) 12
(D) 13
Answer:
Option(C)
Explanation:
Hachel wants to place 50 cupcakes in boxes to sell at the school carnival.
If each box holds 4 cupcakes,
Total boxes she fill with exactly 4 cupcakes
50÷4 = 12
2 cup cakes are left.

Question 7.
At a wedding reception, there are 75 people seated at tables. Each table seats 8 people. How many full tables are there?
(A) 9
(B) 8
(C) 10
(D) 7
Answer:
Option (D)
Explanation:
At a wedding reception, there are 75 people seated at tables.
Each table seats 8 people.
Number of tables full
75 ÷ 8
Quotient = 9 , remainder 3

Question 8.
Blake guides nature trail walks for groups of no more than 6 people. If 46 people want to go on a walk, how many people will be in a group of less than 6?
(A) 6
(B) 2
(C) 7
(D) 4
Answer:
Option(C)
Explanation:
Blake guides nature trail walks for groups of no more than 6 people.
If 46 people want to go on a walk,
Number of people will be in a group of less than 6
46÷6
quotient = 7, remainder = 4

Question 9.
Maria has 20 yards of fabric to make 8 tablecloths. How long will each tablecloth be if she cuts the fabric into equal pieces?
(A) 2\(\frac{1}{2}\) yards
(B) 3 yards
(C) \(\frac{1}{2}\) yard
(D) 2 yards
Answer:
Option(A)
Explanation:
Maria has 20 yards of fabric to make 8 tablecloths.
Total tablecloth she cuts the fabric into equal pieces
20÷8
Quotient = 2; Remainder = 4
2\(\frac{1}{2}\) yards

Go Math Answer Key 4th Grade Interpret Remainder Question 10.
Multi-Step A total of 56 students signed up to play in a flag football league. If each team has 10 students, how many more students will need to sign up so all of the students can be on a team?
(A) 6
(B) 4
(C) 5
(D) 2
Answer:
Option(B)
Explanation:
A total of 56 students signed up to play in a flag football league.
If each team has 10 students,
Number of more students need to sign up so all of the students can be on a team
56 ÷10
Quotient = 5 remainder is 6, 4 more required for next

Practice and Homework Lesson 9.2 Answer Key 4th Grade Question 11.
Multi-Step Jerome and Scott are combining their money to buy raffle tickets. Jerome has $7 and Scott has $10. If each ticket costs $3, how many tickets can they buy?
(A) 4
(B) 3
(C) 5
(D) 2
Answer:
Option (C)
Explanation:
Jerome has $7 and
Scott has $10.
If each ticket costs $3,
Total amount both have
$7 + $10 = $17
Total tickets they buy
17÷3
Quotient = 5; Remainder = 2
$3 x 5 = $15

Refer to our Texas Go Math Grade 4 Answer Key Pdf to score good marks in the exams. Test yourself by practicing the problems from Texas Go Math Grade 4 Lesson 9.1 Answer Key Remainders.

Texas Go Math Grade 4 Lesson 9.1 Answer Key Remainders

Essential Question

How can you use arrays to divide whole numbers that do not divide evenly?
Answer:
It is easy to apply operation on different numbers of elements of an array.
First, we provide values like the number of elements and array.
Then a number to divide all elements of an array using a for a loop.
Then we are going to display the final numbers.
When a number cannot be divided evenly, the amount left over is called the remainder.
Explanation:

Investigate

Materials: square tiles

Erica and 2 friends are playing a game of dominoes. There are 19 dominoes in the set. Erica wants each player to receive the same number of dominoes. Can she divide them equally among the 3 players? Why or why not?
Answer:
No, she divide them equally among the 3 players.
Explanation:
19 dominoes can not be divided in to 3 equal parts,
when we divide 1 is left over.

You can use an array to find the number of dominoes each player will receive.

A. Use 19 tiles to represent the 19 dominoes. Make an array to find how many rows of 3 are in 19 and if any are left over.
Answer:
19 ÷ 3
3 x 6 + 1
18 + 1
Explanation:

6 rows and 1 is left over.

B. Make a row of 3 tiles.
Answer:
6 rows and 1 left over

Explanation:
19 ÷ 3
3 x 6 + 1
18 + 1

C. Continue to make as many rows of 3 tiles as you can.

Answer:

Explanation:
19 ÷ 3
3 x 6 + 1
18 + 1 = 19

D. Find the number of rows of three tiles and the number of tiles left over. Record your answer.
__________ rows of 3 tiles
__________ tile left over
So, each player gets __________ dominoes with __________ domino left over.
Answer:
6 rows of 3 tiles
1 tile left over
So, each player gets 6 dominoes with 1 domino left over.
Explanation:
Total dominoes are 19
6 rows of 3 tiles 18 tiles
1 tile left over
So, each player gets 6 dominoes with 1 domino left over.

Math Talk

Mathematical Processes
Explain how the model helped you find the number of dominoes each player receives Why is 1 tile left over.
Answer:
The mode is easy to apply operation on different numbers of elements of an array.
First, we provide values like the number of elements and array.
Then a number to divide all elements of an array using a for a loop.
Then we are going to display the final numbers.

Make Connections

When a number cannot be divided evenly, the amount left over is called the remainder.

Use square tiles to find 29 ÷ 5.

• Use 29 tiles.
• Use the tiles to make rows of 5. The number of tiles left the remainder.

For 29 ÷ 5, the quotient is __________ and the remainder is __________, or 5 r 4.
Answer:

Explanation:
29 ÷ 5, the quotient is 5 and the remainder is 4.
5 rows and 4 left over tiles

Math Talk

Mathematical Processes
How do you know when there will be a remainder in a division problem?
Answer:
the given number is not perfectly divisible and some remainder is left

Share and Show

Use tiles or draw an array to find the quotient and remainder.

Question 1.
29 ÷ 4
Answer:
29 ÷ 4
Quotient is 7 and remainder is 1
Explanation:

Go Math Grade 4 Lesson 9.1 Answer Key Question 2.
34 ÷ 5
Answer:
34 ÷ 5
Quotient is 6 and remainder is 4
Explanation:

Question 3.
25 ÷ 3
Answer:
Quotient is 8 and remainder is 1
Explanation:

Question 4.

Answer:
Quotient is 2 and remainder is 6
Explanation:

Question 5.
19 ÷ 3
Answer:
Quotient is 6 and remainder is 1
Explanation:

Question 6.

Answer:
Quotient is 6 and remainder is 5

Go Math Grade 4 Lesson 9.1 Remainder Question 7.

Answer:
Quotient is 8 and remainder is 3
Explanation:

Question 8.
23 ÷ 8
Answer:
Quotient is 2 and remainder is 7
Explanation:

Problem Solving

H.O.T. Multi-Step What’s the Error?

Answer:
Quotient and remainder are displayed together.
In this model only left over is shown separately.
Explanation:
13 ÷ 4
= 12 + 1
= 3 x 4 + 1
Question 9.
Macy, Kayley, Maddie, and Rachel collected 13 marbles. The want to share the marbles equally. How many marbles will each of the 4 girls get? How many marbles will be left over?
Answer:
Quotient is 3 and remainder is 1
Explanation:

Frank used an array to solve this problem. He says his array represents . What is his error?

Answer:
13 ÷ 4
Quotient is 3 and remainder is 1

Explanation:
This model is easy to apply operation on different numbers of elements of an array.
First, we provide values like the number of elements and array.
Then a number to divide all elements of an array using a for a loop.
Then we are going to display the final numbers.
When a number cannot be divided evenly, the amount left over is called the remainder.

Go Math Lesson 9.1 Answer Key 4th Grade Question 10.
H.O.T. Explain how you use an array to find the quotient and remainder.
Answer:
First, we provide values like the number of elements and array.
Then a number to divide all elements of an array using a for a loop.
Then we are going to display the final numbers.
When a number cannot be divided evenly, the amount left over is called the remainder.
Explanation:

Daily Assessment Task

Fill in the bubble completely to show your answer.

Question 11.
Jordyn explains to her friends how to play checkers. She has 29 minutes to explain to 3 teams. She wants to take the same number of whole minutes to explain to each team. What is the greatest number of whole minutes she can take to explain the rules to each team?
(A) 8 minutes
(B) 4 minutes
(C) 9 minutes
(D) 10 minutes
Answer:
Option(C)
Explanation:
Jordyn has 29 minutes to explain to 3 teams.
She wants to take the same number of whole minutes to explain to each team.
29 ÷ 3 = 9 and 5 minutes is left over.
The greatest number of whole minutes she can take to explain the rules to each team is 9

Question 12.
Use Tools Kenny wants to put 37 books on 5 shelves. He wants the same number of books on each shelf and he will put the remaining books in a box. How many books does Kenny put in the box? Use tiles or draw an array to help you find the number of books Kenny put in the box.
(A) 6 books
(B) 2 books
(C) 7 books
(D) 3 books
Answer:
Option(C)
Explanation:
Kenny wants to put 37 books on 5 shelves.
37 ÷ 5 = 7 ; 2 is left.
Number of books Kenny put in the box 7

Question 13.
Multi-Step Barb puts 60 games into boxes to donate. Each box can hold 7 games. How many more games does Barb need so that all the boxes can have 7 games?
(A) 3 games
(B) 8 games
(C) 2 games
(D) 9 games
Answer:
Option(A)
Explanation:
Barb puts 60 games into boxes to donate.
Each box can hold 7 games.
Total boxes 60 ÷ 7 = 8 is quotient and 4 is remainder.
Number of games Barb needs so that all the boxes can have 7 games
7 – 4 = 3

TEXAS Test Prep

Go Math Lesson 9.1 4th Grade Reminder Question 14.
Rena has 23 DVDs that she wants to sort into rows of 6 each. How many DVDs will Rena have left over?
(A) 3
(B) 5
(C) 17
(D) 4
Answer:
Option(B)
Explanation:
Rena has 23 DVDs that she wants to sort into rows of 6 each.
23 ÷ 6 = 3 quotient and 5 is remainder.
5 DVDs are left over with Rena.

Texas Go Math Grade 4 Lesson 9.1 Homework and Practice Answer Key

Use tiles or draw an array to find the quotient and remainder.

Question 1.
47 ÷ 6 the quotient and remainder
Answer:
47 ÷ 6 the quotient 7, and remainder 5
Explanation:

Question 2.
38 ÷ 7
Answer:
Quotient is 5
Remainder is 3
Explanation:

38 ÷ 7 the quotient 5, and remainder 3

Question 3.

Answer:
Quotient is 5
Remainder is 2
Explanation:

Go Math 4th Grade Lesson 9.1 Homework Answer Key Question 4.
30 ÷ 4
Answer:
Quotient is 7
Remainder is 2
Explanation:

Question 5.
23 ÷ 6
Answer:
Quotient is 3
Remainder is 5
Explanation:

Question 6.

Answer:
Quotient is 8
Remainder is 4
Explanation:

Question 7.
34 ÷ 7
Answer:
Quotient is 4
Remainder is 6
Explanation:

Question 8.
18 ÷ 5
Answer:
Quotient is 3
Remainder is 3
Explanation:

Question 9.

Answer:
Quotient is 7
Remainder is 1
Explanation:

Question 10.
23 ÷ 4
Answer:
Quotient is 5
Remainder is 3
Explanation:

Question 11.
35 ÷ 4
Answer:
Quotient is 8
Remainder is 3
Explanation:

Question 12.

Answer:
Quotient is 4
Remainder is 6
Explanation:

Question 13.

Answer:
Quotient is 5
Remainder is 7
Explanation:

Question 14.
27 ÷ 7
Answer:
Quotient is 3
Remainder is 6
Explanation:

Practice and Homework Lesson 9.1 Answer Key 4th Grade Question 15.
19 ÷ 4
Answer:
Quotient is 4
Remainder is 3
Explanation:

Question 16.

Answer:
Quotient is 4
Remainder is 7
Explanation:

Problem Solving

Question 17.
Miguel has 48 pieces of quartz. He wants to divide the pieces equally into 9 bags. How many pieces of quartz will be in each bag? How many pieces will be left over? Use tiles or draw an array to help you find the answer.

Each bag will have ___________ pieces and ___________ pieces will be left over.
Answer:
Each bag will have 5 pieces and 3 pieces will be left over
Explanation:
Miguel has 48 pieces of quartz.
He wants to divide the pieces equally into 9 bags.
48 ÷ 9 = 5 is quotient and 3 is remainder.

Question 18.
Lacy has 65 tickets for the school carnival. She and 6 friends will share the tickets equally. How many tickets will each person receive? How many tickets will be left over? Use tiles or draw an array to help you find the answer.

Each person will get ___________ tickets and ___________ tickets will be left over.
Answer:
Each person will get 9 tickets and 2 tickets will be left over.
Explanation:
Lacy has 65 tickets for the school carnival.
She and 6 friends will share the tickets equally.
65 ÷ 7 = 9 is quotient and 2 is remainder.

Lesson Check

Fill in the bubble completely to show your answer.

Question 19.
Rebecca made 36 cookies for the school, bake sale. If she puts 5 cookies in a bag, how many bags will she use?
(A) 6
(B) 5
(C) 8
(D) 7
Answer:
Option(D)
Explanation:
Rebecca made 36 cookies for the school, bake sale.
If she puts 5 cookies in a bag,
Total bags she use
36 ÷ 5 = 7

Question 20.
Felix has 60 towels to stack on a store shelf. He puts 8 towels in each stack. He puts any remaining towels in a drawer below the shelf. How many towels does Felix put in the drawer?
(A) 7
(B) 4
(C) 6
(D) 5
Answer:
Option(A)
Explanation:
Felix has 60 towels to stack on a store shelf.
He puts 8 towels in each stack.
Total stacks she arranges 60 ÷ 8 = 7 is quotient and 3 is remainder
He puts 3 remaining towels in a drawer below the shelf.
7 towels Felix put in the drawer.

Question 21.
Lynn is packing 52 books for her family’s move. Each box can hold 9 books. What is the least number of boxes Lynn will need to pack all of the books?
(A) 7
(B) 8
(C) 6
(D) 5
Answer:
Option(C)
Explanation:
Lynn is packing 52 books for her family’s move.
Each box can hold 9 books.
52 ÷ 9 = 5 is quotient and 7 is remainder
The least number of boxes Lynn will need to pack all of the books,
as 7 is left , he can pack 6 boxes.

Question 22.
Paul has 39 vocabulary cards to study. If he puts the cards in groups of 6, how many groups will he have, and how many cards will he have left over, if any?
(A) 6 groups with 3 cards left over
(B) 6 groups with 4 cards left over
(C) 6 groups with no cards left over
(D) 5 groups with 4 cards left over
Answer:
Option(A)
Explanation:
Paul has 39 vocabulary cards to study.
If he puts the cards in groups of 6,
39 ÷ 6 = 6 is quotient and 3 is remainder
He have 6 groups and 3 cards left over.

Question 23.
Multi-Step Alyson has 46 beads to make bracelets. Each bracelet has 5 beads. How many more beads does Alyson need so that all the beads she has are used?
(A) 9
(B) 4
(C) 1
(D) 5
Answer:
Option(B)
Explanation:
Alyson has 46 beads to make bracelets.
Each bracelet has 5 beads.
46 ÷ 5 = 9 is quotient and 1 is remainder.
4 more beads Alyson need so that all the beads she has are used,
as each bracelet has 5 beads.

Question 24.
Multi-Step Brad has saved $23 to spend on posters for his room. If each poster costs $4, how much more money does Brad need to save to buy 6 posters?
(A) $6
(B) $4
(C) $3
(D) $1
Answer:
Option(D)
Explanation:
Brad has saved $23 to spend on posters for his room.
If each poster costs $4,
he need 6 posters for his room,
So, 6 x 4 = $24
Total money Brad need to save to buy 6 posters 24 – 23 = $1

Refer to our Texas Go Math Grade 4 Answer Key Pdf to score good marks in the exams. Test yourself by practicing the problems from Texas Go Math Grade 4 Lesson 9.3 Answer Key Divide Tens, Hundreds, and Thousands.

Texas Go Math Grade 4 Lesson 9.3 Answer Key Divide Tens, Hundreds, and Thousands

Essential Question

How can you divide numbers through thousands by whole numbers through 10?
Answer:
Divide using basic facts and place value,
thousands will convert in to hundreds by dividing whole number through 10.

Unlock the Problem.

Dustin is packing apples in gift boxes. Each gift box holds 4 apples. How many boxes can Dustin pack with 120 apples?

You can divide using basic facts and place value.
Answer:
30 boxes
Explanation:
Each gift box holds 4 apples.
Dustin has 120 apples
Number of boxes Dustin pack
120 ÷ 4 = 30

Example 1 Divide. 120 ÷ 4

STEP 1 Identify the basic fact.
12 ÷ 4
Answer: 3
12 ÷ 4 = 3

STEP 2 Use place value. 120 = _____________ tens
Answer:
12 tens

STEP 3 Divide.
12 tens ÷ 4 = ___________ tens ← Think: 4 × 3 tens = 12 tens
= _____________
120 ÷ 4 = 30
So, Dustin can pack _____________ boxes.
Answer: 30 boxes

Example 2 Divide. 1,200 ÷ 4
STEP 1 Identify the basic fact.
12 ÷ 4
Answer: 3
12 ÷ 4 = 3

STEP 2 Use place value. 1,200 = _____________ hundreds
Answer:
3 hundreds

STEP 3 Divide.
12 hundreds ÷ 4 = _____________ hundreds ← Think: 4 × 3 hundreds = 12 hundreds
= _____________
1,200 ÷ 4 = 300
Answer: 300
Explanation:
1,200 ÷ 4 = 300

Explain how to use a basic fact and place value to divide 4,000 ÷ 5.
Answer: 800
Explanation:
4000 ÷ 5 = 800

Math Talk

Mathematical Processes
Describe the pattern in the place value of the dividends and quotients.
Answer:
Use place value understanding and properties of operations to perform multi-digit arithmetic. Fluently add and subtract multi-digit whole numbers using the standard algorithm.

Share and Show

Question 1.
Divide. 2,800 ÷7
What basic fact can you use? ______________
2,800 = 28 ______________
28 hundreds ÷ 7 = ______________
2,800 ÷ 7 = ______________
Answer:
2,800 ÷ 7 = 400
What basic fact can you use
28 ÷ 7
2,800 = 28 hundreds
28 hundreds ÷ 7 = 400
Explanation:
Step I: Identify the basic fact.
Step II: Use place value.
Step III: Divide

Go Math Lesson 9.3 Go Math 4th Grade Question 2.
Divide. 280 ÷ 7
What basic fact can you use?
280 = 28 ______________
28 tens ÷ ______________ = 4 ______________
280 ÷ 7 = ______________
Answer:
What basic fact can you use
280 ÷ 10
280 = 28 tens
28 tens ÷ 7 = 4 tens
280 ÷ 7 = 40
Explanation:
Step I: Identify the basic fact.
Step II: Use place value.
Step III: Divide

Math Talk

Mathematical Processes
Explain how Exercises 1 and 2 alike and different.
Answer:
Both exercises 1 and 2 are alike.
Explanation:
In exercise 1 place value is hundreds and,
in exercise 2 place value is thousands.

Use basic facts and place value to find the quotient.

Question 3.
360 ÷ 6 = ___________
Answer: 60
Explanation:
basic fact can you use
36 ÷ 6
360 = 36 tens
36 tens ÷ 6 = 6 tens
360 ÷ 7 = 60

Question 4.
2,000 ÷ 5 = ___________
Answer: 400
Explanation:
basic fact can you use
20 ÷ 5
2,000 = 20 hundreds
20 hundreds ÷ 5 = 4 hundreds
2,000 ÷ 7 = 400

Question 5.
4,500 ÷ 9 = ___________
Answer: 500
Explanation:
basic fact can you use
45 ÷ 9
4,500 = 45 hundreds
45 hundreds ÷ 9 = 5 hundreds
4,500 ÷ 9 = 500

Problem Solving

Algebra Find the unknown number.

Question 6.
420 ÷ = 60
Answer: 7
Explanation:
Let X be unknown number
420 ÷ X = 60                              
42 tens ÷ 7 = 6 tens
420 ÷ 7 = 60

Question 7.
÷ 4 = 30 .
Answer: 120
120 ÷ 4 = 30
Explanation:
Let X be unknown number
X ÷ 4 = 30
X = 30 x 4
X = 120

Question 8.
810 ÷ = 90
Answer: 9
Explanation:
Let X be unknown number
810 ÷ X = 90
81 ÷ X = 9
X = 9
810 ÷ 9 = 90

Question 9.
H.O.T. Divide 400 ÷ 40. Explain how patterns and place value can help.
Answer: 10
Explanation:
basic fact can you use
40 ÷ 4
400 = 40 tens = 4 hundreds
40 tens ÷ 4 = 10
400 ÷ 10 = 40

Question 10.
Multi-Step In 3 minutes, a damseifly’s wings beat 2,700 times and a butterfly’s wings beat 2,100 times. About how many more times did the damseifly’s wings beat in one minute than did the butterfly’s wings?
Answer: 200 times.
Explanation:
In 3 minutes, a damseifly’s wings beat 2,700 times
In 1 minute, a damseifly’s wings beat 2,700 ÷ 3 = 900
In 3 minutes, a butterfly’s wings beat 2,100 times.
In 1 minute, a butterfly’s wings beat 2,100 ÷ 3 = 700
About how many more times did the damseifly’s wings beat in one minute than the butterfly’s wings
900 – 700 = 200 times.

Problem Solving

Question 11.
Jamal put 600 pennies into 6 equal rolls. How many pennies were in each roll?
Answer:
100 pennies
Explanation:
Jamal put 600 pennies into 6 equal rolls.
Number of pennies were in each roll
600 ÷ 6 = 100

Go Math Lesson 9.3 Answer Key Grade 4 Question 12.
Sela has 6 times as many coins now as she had 4 months ago. If Sela has 240 coins now, how many did she have 4 months ago?
Answer: 1440 coins
Explanation:
Sela has 6 times as many coins now as she had 4 months ago.
If Sela has 240 coins now,
Number of coins she had 4 months ago
240 x 6 = 1440

Question 13.

H.O.T. Multi-Step Chip collected 2,090 dimes. Sue collected 1,910 dimes. They divided all their dimes into 8 equal stacks. How many dimes are in each stack?
Answer:
500 dimes.
Explanation:
Chip collected 2,090 dimes.
Sue collected 1,910 dimes.
Total dimes together 2,090 + 1,910 = 4000
They divided all their dimes into 8 equal stacks.
Number of dimes in each stack
4000 ÷ 8 = 500 dimes.

Question 14.
Communicate Mr. Roberts sees a rare 1937 penny. The cost of the penny is $210. If he saves $3 a week, will Mr. Roberts have enough money to buy the penny in one year? Explain.
Answer:
No, Mr.Robert doesn’t have enough money to buy.
Explanation:
Mr. Roberts sees a rare 1937 penny.
The cost of the penny is $210.
If he saves $3 a week
In one year he saves 52 x 3 = $156 ( 1 year has 52 weeks )
210 – 156 = $54 less

Question 15.
H.O.T. Multi-Step Analyze Mrs. Roberts sold each of 5 coins for the same dollar amount.She received a total of $300. Each coin cost her $32. How much money did she make on each coin? Explain how you got your answer.
Answer:
$28 on each coin.
Explanation:
Mrs. Roberts sold each of 5 coins for the same dollar amount.
She received a total of $300.
Each coin cost her $32.
Total cost of 5 coins = 32 x 5 = $160
Total money she make on each coin
300 – 160 = 140
140 ÷ 5 = 28

Daily Assessment task

Fill in the bubble completely to show your answer.

Question 16.
Jeremy has a shelf that is 150 centimetres long. If each DVD case is 3 centimetres wide, how many DVD cases can fit on the shelf?
(A) 50
(B) 5
(C) 45
(D) 30
Answer:
Option(A)
Explanation:
Jeremy has a shelf that is 150 centimetres long.
If each DVD case is 3 centimetres wide,
Number of DVD cases can fit on the shelf
150 ÷ 3 = 50
15 ÷ 3 = 5
50 DVD cases can fit on the shelf

Question 17.
Aaron 480 sports cards. He needs to place the same number each of 6 storage boxes. How many sports cards will storage box?
Answer:
80 sports cards will storage box
Explanation:
Aaron 480 sports cards.
He needs to place the same number each of 6 storage boxes.
Number of sports cards will storage box
480 ÷ 6
48 tens ÷ 6
80 sports cards will storage box

Question 18.
Multi-Step Suri picks 125 tomatoes and Lynn picks 85 tomatoes. They pack the tomatoes into boxes so there are 7 in each box. How many boxes do they use?
(A) 3
(B) 70
(C) 18
(D) 30
Answer:
option (D)
Explanation:
Suri picks 125 tomatoes and
Lynn picks 85 tomatoes.
They pack the tomatoes into boxes so there are 7 in each box.
Total tomatoes picked 125 + 85 = 210
7 tomatoes in one box
Number of Boxes required = 210 ÷ 7 = 30

TEXAS Test Prep

Question 19.
Which number sentence is NOT true?
(A) 150 ÷ 5 = 30
(B) 400 ÷ 8 = 500
(C) 4,500 ÷ 9 = 500
(D) 5,600 ÷ 7 = 800
Answer:
Option(B)
Explanation:
400 ÷ 8 = 500 is wrong
As, 400 ÷ 8 = 50

Texas Go Math Grade 4 Lesson 9.3 Homework and Practice Answer Key

Question 1.
Divide. 3,600 ÷ 4
What basic fact can you use? ___________
3,600 = 36 ___________
36 hundreds ÷ 4 = ___________
3,600 ÷ 4 = ___________
Answer:
What basic fact can you use?
3,600 ÷ 4
3,600 = 36 hundreds
36 hundreds ÷ 4 = 9 hundreds
3,600 ÷ 4 = 900
Explanation:
Step I: Identify the basic fact.
Step II: Use place value.
Step III: Divide

Question 2.
Divide. 3,600 ÷ 4
What basic fact can you use? ___________
3,600 = 36 ___________
36 hundreds ÷ ___________ = 9 ___________
3,600 ÷ 4 = ___________
Answer:
What basic fact can you use?
3,600 ÷ 4
3,600 = 36 hundreds
36 hundreds ÷ 4 = 9 hundreds
3,600 ÷ 4 = 900
Explanation:
Step I: Identify the basic fact.
Step II: Use place value.
Step III: Divide

Use basic facts and place value to find the quotient.

Question 3.
240 ÷ 6 = ___________
Answer: 40
Explanation:
basic fact can you use
24 ÷ 6
240 = 24 tens
24 tens ÷ 6 = 4 tens
240 ÷ 6 = 40
Question 4.
3,000 ÷ 6 = ___________
Answer: 500
Explanation:
basic fact can you use
30 ÷ 6
3,000 = 30 hundreds
30 hundreds ÷ 6 = 5 hundreds
3,000 ÷ 6 = 500

Practice and Homework Lesson 9.3 Answer Key 4th Grade Question 5.
2,100 ÷ 7 = ___________
Answer: 300
Explanation:
basic fact can you use
21 ÷ 7
2,100 = 21 hundreds
21 hundreds ÷ 7 = 3 hundreds
2,100 ÷ 7 = 300

Question 6.
490 ÷ 7 = ___________
Answer: 70
Explanation:
basic fact can you use
49 ÷ 7
490 = 49 tens
49 tens ÷ 7 = 7 tens
490 ÷ 7 = 70

Question 7.
5,600 ÷ 8 = ___________
Answer: 700
Explanation:
basic fact can you use
56 ÷ 8
5,600 = 56 hundreds
56 hundreds ÷ 8 = 7 hundreds
5,600 ÷ 8 = 700

Question 8.
320 ÷ 4 = ___________
Answer: 80
Explanation:
basic fact can you use
32 ÷ 4
320 = 32 tens
32 tens ÷ 4 = 8 tens
320 ÷ 4 = 80

Find the unknown number.

Question 9.
480 ÷ = 80 ___________
Answer: 6
Explanation:
Let X be unknown number
480 ÷ X = 80
48 ÷ X = 8
X = 48 ÷ 8 = 6
480 ÷ 6 = 80

Question 10.
÷ 9 = 50 ___________
Answer: 450
Explanation:
Let X be unknown number
X ÷ 9 = 50
X = 50 x 9
X = 450

Question 11.
640 ÷ = 80 ___________
Answer: 8
Explanation:
Let X be unknown number
640 ÷ X = 80
64 ÷ X = 8
X = 64 ÷ 8 = 8
640 ÷ 8 = 80

Problem Solving

Question 12.
The sandwich shop delivered 240 box lunches for the high school band. An equal number of boxes will be placed on each of 6 tables. How many boxes will be on each table?
Answer:
40 b0xes.
Explanation:
The sandwich shop delivered 240 box lunches for the high school band.
An equal number of boxes will be placed on each of 6 tables.
Number of boxes on each table
240÷6 = 40 boxes

Question 13.
Roy bought a package of 500 index cards. He wants to divide the cards into 5 equal stacks. I-low many cards will he in each stack?
Answer:
500 cards in each stack.
Explanation:
Roy bought a package of 500 index cards.
He wants to divide the cards into 5 equal stacks.
Number of cards in each stack
500÷ 5 = 100

Lesson Check

Fill in the bubble completely to show your answer.

Question 14.
Which number sentence is not true?
(A) 540 ÷ 9 = 60
(B) 4,900 ÷ 7 = 70
(C) 3,000 ÷ 6 = 500
(D) 1,600 ÷ 8 = 200
Answer:
Option(B)
Explanation:
4,900 ÷ 7 = 70 is not correct
As, 4,900 ÷ 7 = 700

Question 15.
What number correctly completes the equation?
÷ 9 = 800
(A) 72
(B) 720
(C) 7,200
(D) 72,000
Answer:
Option(C)
Explanation:
Let X be unknown number
X ÷ 9 = 800
X = 800 x 9
X = 7200

Question 16.
The school office received a shipment of 250 pens. If the shipment was divided equally into 5 boxes, how many pens were in each box?
(A) 250
(B) 25
(C) 5
(D) 50
Answer:
Option(D)
Explanation:
The school office received a shipment of 250 pens.
If the shipment was divided equally into 5 boxes,
Total pens in each box
250 ÷ 5 = 50

Go Math Grade 4 Practice and Homework Lesson 9.3 Answer Key Question 17.
City workers counted how many large trucks passed over a bridge in one week. If 3,500 trucks pass over the bridge in one week, how many trucks pass over the bridge each day?
(A) 700
(B) 70
(C) 500
(D) 50
Answer:
Option(C)
Explanation:
City workers counted how many large trucks passed over a bridge in one week.
If 3,500 trucks passed over the bridge in one week,
Total trucks passed over the bridge each day
3500÷7 = 500 ( 1 week has 7 days )

Question 18.
Multi-Step Eileen collected 98 empty cans to recycle and Carl collected 82 cans. They packed an equal number of cans into three boxes to take to the recycling center. How many cans were in each box?
(A) 60
(B) 6
(C) 40
(D) 4
Answer:
Option(A)
Explanation:
Eileen collected 98 empty cans to recycle and
Carl collected 82 cans.
Total cans together 98+82 = 180
They packed an equal number of cans into three boxes to take to the recycling center.
180÷3=60
Number of cans in each box 60

Question 19.
Multi-Step A baker sold 8 cakes for the same dollar amount. He received a total of $240. Each cake cost the baker $18 to make. How much money did he make on each cake?
(A) $30
(B) $12
(C) $21
(D) $13
Answer:
Option(B)
Explanation:
A baker sold 8 cakes for the same dollar amount.
He received a total of $240.
Each cake cost the baker $18 to make.
Total cost of 8 cakes = 18 x 8 = $144
Total money he makes on each cake
240 – 144 = $96
96÷8 = $12

Refer to our Texas Go Math Grade 4 Answer Key Pdf to score good marks in the exams. Test yourself by practicing the problems from Texas Go Math Grade 4 Lesson 8.3 Answer Key Area Models and Partial Products.

Texas Go Math Grade 4 Lesson 8.3 Answer Key Area Models and Partial Products

Essential Question

How can you use area models and partial products to multiply 2-digit numbers?
Answer:
Area models help to multiply large numbers, in a simpler forms using multiplication box.
Explanation:
Show the problem as the area of a rectangle, and then break that rectangle into smaller chunks for easier solving.
This method is also known as box multiplication.
Next, multiply to find the area of each smaller rectangle.

Investigate

Materials

• color pencils

How can you use a model to break apart factors and make them easier to multiply?
Answer:
Break apart factor in multiplication is known as Distributive Property.
Explanation:
The Distributive Property, the Break Apart helps to solve problems by “breaking apart” difficult numbers into easier, more friendly numbers. When we break one of the factors up, but still multiply it, you’ll still get the same product.

A. Outline a rectangle on the grid to model 13 × 18. Break apart the model into smaller rectangles to show factors broken into tens and ones. Label and shade the smaller rectangles. Use the colors below.

Answer:

100 + 80 + 30 + 24 = 234
Explanation:
Draw outline of a rectangle on the grid to model 13 × 18.
Break apart the model into smaller rectangles to show factors broken into tens and ones.
Then add all together to get the product.

B. Find the product of each smaller rectangle. Then, find the sum of the partial products. Record your answers.

Answer:
100 + 80 + 30 + 24 = 234
Explanation:
First find the product of each smaller rectangle.
Then, find the sum of the partial products.
Then add all the products.

C. Draw the model again. Break apart the whole model to show factors different from those shown the first time. Label and shade the four smaller rectangles and find their products. Record the sum of the partial products to represent the product of the whole model.
_________ + _________ + _________ + _________ = _________
Answer:
72 + 72 + 45 + 45 = 234

Explanation:
Draw outline of a rectangle on the grid to model 13 × 18.
Break apart the model into smaller rectangles to show factors broken into tens and ones.
Then add all together to get the product.
9×8 = 72
9×8=72
5×9 = 45
5×9=45
72+72+45+45= 234

Math Idea
A perfect square is a number that has the same number as its two factors. 144 is a perfect square since both of its factors are 12.
Answer:
12 x 12 = 144

Explanation:
Draw outline of a rectangle on the grid to model 13 × 18.
Break apart the model into smaller rectangles to show factors broken into tens and ones.
Then add all together to get the product.
12 x 12 = 144

Make Connections

You can draw a simple diagram to model and break apart factors to find a product. Find 15 × 15.

STEP 1, Draw a model to show 15 × 15. Break apart the factors into tens and ones to show the partial products.

Answer:
15 x 15 = 225

Explanation:
Draw outline of a rectangle on the grid to model 13 × 18.
Break apart the model into smaller rectangles to show factors broken into tens and ones.
Then add all together to get the product.
12 x 12 = 144

STEP 2 Write the product for each of the smaller rectangles.

Answer:
STEP 3 Add to find the product for the whole model.
So, 15 × 15 = 225.

Explanation:

The model shows four parts.
Each part represents a partial product.
The partial products are 100, 50, 50, and 25.

Math Talk

Mathematical Processes
Explain how breaking apart the factors of a perfect square into tens and ones makes finding the product easier.
Answer:
One can tell a number is a perfect square by finding its square roots.
Finding the square root is the inverse (opposite) of squaring a number.
If you find the square root of a number and it’s a whole integer, that tells you that the number is a perfect square.
For instance, the square root of 25 is 5.

Share and Show

Find the Product.

Question 1.
16 × 19 = ___________

Answer: 304
Explanation:
STEP 3 Add to find the product for the whole model.
So, 16 × 19 =304
(10 x 1 tens)  ( 10 x 9 ones )  (6 x 1 tens)  ( 6 x 9 ones )
( 10 x 10 )      ( 10 x 9)           (6 x 10 )          ( 6 x 9 )
100 + 90 + 60 + 54 = 304

Lesson 8.3 Area Models and Partial Products Answer Key Question 2.
18 × 26 = ___________

Answer: 468
Explanation:
Add to find the product for the whole model.
So, 18 × 26 =468
(10 x 2 tens)  ( 10 x 6 ones )  (8 x 2 tens)  ( 8 x 6 ones )
( 10 x 20 )      ( 10 x 6)           (8 x 20 )          ( 8 x 6 )
200 + 60 + 160 + 48 = 468

Question 3.
27 × 39 = ___________

Answer: 1053
Explanation:
Add to find the product for the whole model.
So, 27 × 39 = 1053
(20 x 3 tens)  ( 20 x 9 ones )  (7 x 3 tens)  ( 7 x 9 ones )
( 20 x 30 )      ( 20 x 9)           (7 x 30 )          ( 7 x 9 )
600 + 180 + 210 + 63 = 1053

Question 4.
Evaluate To find the product of 10 and 33, which is the easier computation, (10 × 11) + (10 × 11) + (10 × 11) or (10 × 30) + (10 × 3)? Explain.
Answer: 330
Explanation:
first method is
(10 × 11) + (10 × 11) + (10 × 11)
110+110+110 = 330
second method is
(10 × 30) + (10 × 3) = 300 + 30 = 330
second method  is easier
Problem Solving

Multi-Step Sense or Nonsense?

Question 5.

Jamal and Kim used different ways to solve 12 × 15 by using partial products. Whose answer makes sense? Whose answer is nonsense? Explain your reasoning.

Answer:
Jamal answer doesn’t makes sense.
Kim’s  answer makes sense.
Explanation:

Jamal answer is nonsense.

a. For the answer that is nonsense, write an answer that makes sense.
Answer: 180
Explanation:

b. H.O.T. Use Diagrams Look at Kim’s method. Can you think of another way Kim could use the model to find the product? Explain.

Answer:

Explanation:
Draw outline of a rectangle on the grid to model 12 × 15.
Break apart the model into smaller rectangles to show factors broken into tens and ones.
Then add all together to get the product.
12 x 15 = 180

Daily Assessment Task

Fill in the bubble completely to show your answer.

Question 6.
A restaurant buys 21 cube-shaped watermelons. Each watermelon costs $82. How much does the restaurant pay for the watermelons?
(A) $1,720
(B) $1,680
(C) $1,722
(D) $1,640
Answer:
Option(C)
Explanation:
A restaurant buys 21 cube-shaped watermelons.
Each watermelon costs $82.
Total amount paid for watermelons by the restaurant
21 x 82 = $1,722

Go Math Lesson 8.3 Area Model Partial Products 4th Grade Question 7.
There are 14 cars in line for a car wash. A car wash costs $13. Use the model below. How much does it cost to wash all of the cars?

(A) $170
(B) $182
(C) $142
(D) $172
Answer:
Option(B)
Explanation:
There are 14 cars in line for a car wash.
A car wash costs $13.
Total cost to wash all of the cars
14 x 13 = $182

Question 8.
Multi-Step Students sell muffins at a school bake sale. They have 12 muffins in each of 15 boxes. They sell 125 muffins. How many muffins are left?
(A) 65 muffins
(B) 5 muffins
(C) 45 muffins
(D) 55 muffins
Answer:
option(D)
Explanation:
Students have 12 muffins in each of 15 boxes.
Total muffins 12 x 15 = 180
They sell 125 muffins.
Number of muffins left 180 – 125 = 55

TEXAS Test Prep

Question 9.
The cost of a ski-lift ticket is $31. How much will 17 tickets cost?
(A) $48
(B) $527
(C) $310
(D) $217
Answer:
Option(B)
Explanation:
The cost of a ski-lift ticket is $31.
Cost of 17 tickets = 31 x 17 = $527

Texas Go Math Grade 4 Lesson 8.3 Homework and Practice Answer Key

Find the Product

Question 1.
14 × 18 = _________

Answer: 252
Explanation:
Add to find the product for the whole model.
So, 14 × 18 = 252
(10 x 1 tens)  ( 10 x 8 ones )  (4 x 1 tens)  ( 4 x 8 ones )
(10 x 10 )      ( 10 x 8)           (4 x 10 )       ( 4 x 8 )
100 + 80 + 40 + 32 = 252

Question 2.
32 × 16 = _________

Answer: 512
Explanation:
Add to find the product for the whole model.
So, 32 × 16 = 512
(30 x 1 tens)  ( 30 x 6 ones )  (2 x 1 tens)  ( 2 x 6 ones )
(30 x 10 )      ( 30 x 6)            (2 x 10 )       ( 2 x 6 )
300 + 180 + 20 + 12 = 512

Go Math Lesson 8.3 4th Grade Partial Products Question 3.
26 × 22 = _________

Answer: 572
Explanation:
Add to find the product for the whole model.
So, 26 × 22 = 572
(20 x 2 tens)  ( 20 x 2 ones )  (6 x 2 tens)  ( 6 x 2 ones )
(20 x 20 )       ( 20 x 2)           (6 x 20 )       ( 6 x 2 )
400 + 40 + 120 + 12 = 572

Problem Solving

Question 4.
Victor and Carla used different ways to solve 37 × 23 by using partial products. Whose answer makes sense? Whose answer is nonsense? Explain your reasoning.

Answer:
Carla’s work is correct
Explanation:
Add to find the product for the whole model.
So, 37 x 23 = 851
(30 x 2 tens)  ( 30 x 3 ones )  (7 x 2 tens)  ( 7 x 3 ones )
(30 x 20 )       ( 30 x 3)           (7 x 20 )       ( 7 x 3 )
600 + 90 + 140 + 21 = 851

Question 5.
For the answer that is nonsense, write an answer that makes sense.
Answer: 851
Explanation:
Add to find the product for the whole model.
So, 37 x 23 = 851
(30 x 2 tens)  ( 30 x 3 ones )  (7 x 2 tens)  ( 7 x 3 ones )
(30 x 20 )       ( 30 x 3)           (7 x 20 )       ( 7 x 3 )
600 + 90 + 140 + 21 = 851

Lesson Check

Fill in the bubble completely to show your answer.

Question 6.
Use the model. What is the product of 17 × 52?

(A) 953
(B) 884
(C) 1,768
(D) 1,190
Answer:
Option(B)
Explanation:
Add to find the product for the whole model.
So, 17 x 52 = 884
(10 x 5 tens)  ( 10 x 2 ones )  (7 x 5 tens)  ( 7 x 2 ones )
(10 x 50 )       ( 10 x 2)           (7 x 50 )       ( 7 x 2 )
500 + 20 + 350 + 14 = 884

Question 7.
Complete the model. What is the product of 44 × 14?

(A) 616
(B) 1,120
(C) 1,232
(D) 516
Answer:
Option(A)
Explanation:
Add to find the product for the whole model.
So, 44 x 11 = 616
(40 x 1 tens)  ( 40 x 4 ones )  (4 x 1 tens)  ( 4 x 4 ones )
(40 x 10 )       ( 40 x 4)           (4 x 10 )       ( 4 x 4 )
400 + 160 + 40 + 16 = 616

Question 8.
A toy store orders 18 boxes of stuffed animals. There are 35 stuffed animals in a box. How many stuffed animals did the store order?
(A) 630
(B) 1,260
(C) 414
(D) 530
Answer:
Option(A)
Explanation:
A toy store orders 18 boxes of stuffed animals.
There are 35 stuffed animals in a box.
Number of stuffed animals the store order
35 x 18 = 630

Question 9.
Bradley’s heart beats 78 times a minute. How many times does it beat in 45 minutes?
(A) 3,170
(B) 3,210
(C) 3,510
(D) 3,470
Answer:
Option(C)
Explanation:
Bradley’s heart beats 78 times a minute.
Number of times it beat in 45 minutes
78 x 45 = 3,510

Partial Products 4th Grade Go Math Answer Key Question 10.
Multi-Step Emma bought 16 packages of rolls for a party. There were 12 rolls in each package. After the party, there were 8 rolls left over. How many rolls were eaten?
(A) 192
(B) 138
(C) 200
(D) 184
Answer:
Option(D)
Explanation:
Emma bought 16 packages of rolls for a party.
There were 12 rolls in each package.
Total rolls in 16 packages
16 x 12 = 192
After the party there were 8 rolls left over.
Number of rolls were eaten 192 -8 = 184

Question 11.
Multi-Step Mr. Ramirez needs 400 paper cups for the school cafeteria. He has 14 packages of paper cups. There are 25 cups in a package. How many more cups does Mr. Ramirez need?
(A) 25
(B) 50
(C) 300
(D) 65
Answer:
Option(B)
Explanation:
Mr. Ramirez needs 400 paper cups for the school cafeteria.
He has 14 packages of paper cups.
There are 25 cups in a package.
Total cups he has 25 x 14 = 350
Number of more cups Mr. Ramirez need 400 – 350 = 50

Refer to our Texas Go Math Grade 4 Answer Key Pdf to score good marks in the exams. Test yourself by practicing the problems from Texas Go Math Grade 4 Lesson 8.4 Answer Key Area Models and Partial Products.

Texas Go Math Grade 4 Lesson 8.4 Answer Key Multiply Using Partial Products

Essential Question

How can you use place value and partial products to multiply 2-digit numbers?
Answer:
Multiplying 2-digits by 1-digit with partial products.
We can multiply 2-digit numbers by multiplying and by finding each partial products such as the tens and ones separately, then add all partial products together.

Unlock the Problem

Connect You know how to break apart a model to find partial products. How can you use what you know to find and record a product?
Answer:
You multiply in parts:
first the ones, then the tens,
then the hundreds. Lastly, add to get the product.

Multiply. 34 × 57 Estimate. 30 × 60 = _1800_

Explanation:
So, 34 × 57 = 1,938. Since 1,938 is close to the estimate of 1,800, it is reasonable.
Math Talk

Mathematical Processes
You can write 10 × 4 ones = 40 ones as 10 × 4 = 40. What is another way to write 10 × 3 tens = 30 tens?
Answer:
10 x 4 = 40
10 x 3 = 30
Explanation:
Multiplying each partial product such as the tens and ones separately, then add all partial products together.
So, 10 × 3 tens = 30 tens
10 x 3 = 30

Share and Show

Multiply Using Partial Products Lesson 8.4 Answer Key Question 1.
Find 24 × 34.

Answer: 816
Explanation:

20 x 30 = 600
20 x 4   =    80
30 x 4   =  120
4 x 4     =    16
Total = 816
24 x 34 = 816

Record the product.

Question 2.

Answer: 144
Explanation:

10 x 10 = 100
10 x 2  =  20
2 x 10 = 20
2 x 2 = 4
100 + 20 + 20 + 4 = 144

Question 3.

Answer: 744
Explanation:

30 x 20 = 600
20 x 1 = 20
30 x 4 = 120
1 x 4 = 4
600 + 120 + 20 + 4 =744

Go Math Grade 4 Lesson 8.4 Answer Key Question 4.

Answer: 1,075
Explanation:

800 + 200 + 60 + 15 = 1075

Question 5.

Answer: 962
Explanation:

600 + 180 + 140 + 42 = 962

Math Talk

Mathematical Processes
Explain how to model and record 74 × 25.
Answer: 1850
Explanation:

Problem Solving

Practice: Copy and Solve Record the product.

Question 6.
38 × 47
Answer: 1,786
Explanation:

4th Grade Go Math Answer Key Lesson 8.4 Question 7.
46 × 27
Answer: 1,242
Explanation:

Question 8.
72 × 53
Answer: 3,816
Explanation:

Question 9.
98 × 69
Answer: 6,762
Explanation:

Question 10.
53 × 68
Answer: 3,604
Explanation:

Question 11.
76 × 84
Answer: 6,384
Explanation:

Question 12.
92 × 48
Answer: 4,416
Explanation:

Go Math 4th Grade Partial Products Lesson 8.4 Question 13.
37 × 79
Answer: 2,923
Explanation:

H.O.T. Algebra Find the unknown digits. Complete the problem.

Question 14.

Answer:
76 x 24 = 1824
Explanation:

Question 15.

Answer:
82 x 97 = 7954
Explanation:

Question 16.

Answer:
36 x 53 = 1908
Explanation:

Go Math Lesson 8.4 4th Grade Partial Products Multiplication Question 17.

Answer:
34 x 28 = 952
Explanation:

Problem Solving

Use the pictograph for 18-20

Question 18.
Use Graphs A fruit-packing warehouse is shipping 15 boxes of grapefruit to a store in St. Louis, Missouri. What is the total weight of the shipment?
Answer:
1,275 pounds.
Explanation:
A fruit-packing warehouse is shipping 15 boxes of grapefruit to a store.
1 box = 10 x 8.5 = 1,275 pounds.
The total weight of the shipment
15 x 85 = 150

Question 19.
How much less do 13 boxes of tangelos weigh than 18 boxes of tangerines?
Answer:
Tangelos weighs 540 pounds less than Tangerines.
Explanation:
1 box of tangelos contain 9 fruits.
Weight of 1 box tangelos = 9 x 10 = 90 pounds
Weight of 13 boxes tangelos = 13 x 90 = 1,170 pounds
1 box of tangerines contain 9.5 fruits.
Weight of 1 box tangerines = 9.5 x 10 = 95 pounds
Weight of 18 boxes of tangerines = 18 x 95 = 1,710
tangerines – tangelos = 1,710 – 1,170 = 540
So, tangelos weighs 540 pounds less than tangerines.

Question 20.
What is the weight of 12 boxes of oranges?
Answer:
1,080 pounds
Explanation:
Each box of oranges contain 9 fruits.
1 box of orange weighs = 9 x 10 = 90 pounds
Weight of 12 boxes of oranges = 90 x 12 = 1,080 pounds.

Question 21.
H.O.T. Each person in the United States eats about 65 fresh apples each year. Based on this estimate, how many apples do 3 families of 4 eat each year?

Answer:
780 apples.
Explanation:
Each person in the United States eats about 65 fresh apples each year.
Based on this estimate, number of apples do 3 families of 4 eat each year
3 x 4 = 12 members
Each person eats 65 apples.
So, 12 members eats = 12 x 65 = 780 apples

Question 22.
H.O.T. Multi-Step Martin has 14 packages to ship. Each package weighs 11 pounds. After shipping those 14 packages, he shipped 13 other packages that each weighed 27 pounds. How many pounds of packages did Martin ship? Explain.
Answer:
505 pounds.
Explanation:
Martin has 14 packages to ship.
Each package weighs 11 pounds.
14 x 11 = 154 pounds
After he shipped 13 other packages that each weighed 27 pounds.
13 x 27 = 351 pounds
Total pounds of packages Martin shipped
154 + 351 = 505 pounds.

Grade 4 Answer Key Go Math Lesson 8.4 Question 23.
Use Math Language The product of 26 × 93 is more than 25 × 93. How much more? Explain how you know without multiplying.
Answer:
26 is 1 more than 25,
So, the difference is 93.
Explanation:
The product of 26 x 93 = 2,418
The product of 25 x 93 = 2,325
The difference between these two products = 93

Daily Assessment Task

Fill in the bubble completely to show your answer.

Question 24.
A builder is clearing more land. He clears one strip that is 32 feet wide. He needs 28 of these strips cleared. How many feet wide will the cleared land be?
(A) 840 feet
(B) 880 feet
(C) 856 feet
(D) 896 feet
Answer:
Option(D)
Explanation:
A builder clears one strip that is 32 feet wide.
He needs 28 of these strips cleared.
Total feet wide the cleared land be
32 x 28 = 896 feet

Question 25.
Students line up in equal rows for a school picture. There are 41 rows of 16 students. How many students are in the school picture?
(A) 640 students
(B) 656 students
(C) 650 students
(D) 646 students
Answer:
Option(B)
Explanation:
There are 41 rows of 16 students.
Number of students in the school picture
41 x 16 = 656 students

Question 26.
Multi-Step Mrs. Parker sells 18 boxes of 45 oranges at the Farmers’ Market. She sells 16 boxes of 52 lemons. How many more lemons than oranges does Mrs. Parker sell?
(A) 22 more lemons
(B) 50 more lemons
(C) 42 more lemons
(D) 20 more lemons
Answer:
Option(A)
Explanation:
Mrs. Parker sells 18 boxes of 45 oranges at the Farmers’ Market.
Total oranges 18 x 45 = 810
She sells 16 boxes of 52 lemons.
Total lemons 16 x 52 = 832
832 – 810 = 22
22 lemons are more than oranges.

TEXAS Test Prep

Question 27.
Each row of apple trees has 14 trees. There are 16 rows. How many apple trees are there?
(A) 1,340
(B) 224
(C) 184
(D) 124
Answer:
Option(B)
Explanation:
Each row of apple trees has 14 trees
There are 16 rows.
Number of apple trees 14 x 16 = 224

Texas Go Math Grade 4 Lesson 8.4 Homework and Practice Answer Key

Record the product.

Question 1.

Answer: 225
Explanation:

Question 2.

Answer: 806
Explanation:

Go Math 4th Grade Practice and Homework Lesson 8.4 Answer Key Question 3.

Answer: 2,214
Explanation:

Question 4.

Answer: 4,752
Explanation:

Find the unknown digits. Complete the problem.

Question 5.

Answer:

Question 6.

Answer:

Question 7.

Answer:

Go Math 4th Grade Lesson 8.4 Homework Answer Key Question 8.

Answer:

Problem Solving

Use the pictograph for 9 – 12.

Question 9.
Pet Center ordered 75 bags of training treats. How many pounds did Pet Center order?
Answer: 1,500 pounds
Explanation:
Pet Center ordered 75 bags of training treats.
Each bag contain 2 training treats and each weighs10 pounds.
So, 2 x 10 = 20 pounds
Total pounds Pet Center order
75 x 20 = 1,500 pounds
Question 10.
What is the weight of 45 bags of grain free dog food?
Answer: 1,350 pounds
Explanation:
Grain free bag has 3 dogs food and each weighs 10 pounds.
So, 3 x 10 = 30 pounds.
The weight of 45 bags of grain free dog food = 45 x 30 = 1,350 pounds

Question 11.
The animal shelter bought 28 bags of puppy food and 36 bags of adult dog food. What is the total weight of their order?
Answer: 2,280 pounds
Explanation:
The animal shelter bought 28 bags of puppy food 28 x 3 x 10 = 840 pounds
36 bags of adult dog food 36 x 4 x 10 = 1,440 pounds
Total weight of their order 1,440 + 840 = 2,280 pounds.

Question 12.
A warehouse shipped 68 bags of adult dog food and 45 bags of grain free dog food. How many more pounds of adult dog food did they ship?
Answer: 1,370 pounds
Explanation:
A warehouse shipped 68 bags of adult dog food
68 x 4 x 10 = 2,720 pounds
A ware house shipped 45 bags of grain free dog food.
45 x 3 x 10 = 1,350 pounds
Number of more pounds of adult dog food they shipped
2,720 – 1,350 = 1,370 pounds

Lesson Check

Fill in the bubble completely to show your answer.

Question 13.
A farmer bought 19 bags of chicken feed. Each bag costs $57. I low much does the farmer pay for the chicken feed?
(A) $1064
(B) $1,074
(C) $1,023
(D) $1,083
Answer:
Option (D)
Explanation;
A farmer bought 19 bags of chicken feed.
Each bag costs $57.
Total amount the farmer paid for the chicken feed
19 x 57 = $1,083

Question 14.
Visitors at a petting zoo are given food to feed the ducks. A 50-pound hag of duck food costs $71. The zoo needs 44 bags of food for the summer months. How much does the duck food cost for the summer?
(A) $3,550
(B) $2,200
(C) $3,124
(D) $2,024
Answer:
Option(C)
Explanation:
A 50-pound bag of duck food costs $71.
The zoo needs 44 bags of food for the summer months.
Cost of the duck food for the summer
44 x 71 = $3,124

Texas Go Math Grade 4 Answer Key Lesson 8.4 Question 15.
Large flower pots weigh 28 pounds each. One crate holds 35 pots. What is the weight of one crate of flower pots?
(A) 780 pounds
(B) 980 pounds
(C) 940 pounds
(D) 920 pounds
Answer:
Option (B)
Explanation:
Large flower pots weigh 28 pounds each.
One crate holds 35 pots.
The weight of one crate of flower pots
28 x 35 = 980 pounds

Question 16.
Multi-Step A store sells drinks in cartons of 6 each. Bonnie bought 2 cartons of lemonade and 2 cartons of fruit juice. Each bottle is 32 ounces. How many ounces did Bonnie buy?
(A) 560 ounces
(B) 42 ounces
(C) 840 ounces
(D) 768 ounces
Answer:
Option(D)
Explanation:
A store sells drinks in cartons of 6 each.
Bonnie bought 2 cartons of lemonade and 2 cartons of fruit juice.
Total cartons he bought 2 + 2 = 4
Each bottle is 32 ounces.
Each carton has 6 bottles = 32 x 6 = 192 ounces
Number of ounces Bonnie bought in all
192 x 4 = 768 ounces

Question 17.
Multi-Step Twelve adults and 63 students are going on a field trip to the aquarium. Tickets cost $18 for adults and $15 for students. What is the total cost of the tickets?
(A) $1,350
(B) $1,125
(C) $1,161
(D) $1,314
Answer:
Option(C)
Explanation:
Twelve adults and 63 students are going on a field trip to the aquarium.
Tickets cost $18 for adults  12 x 18 = $216
Ticket cost $15 for students, 15 x 63 = $945
The total cost of the tickets 945 + 216 = $1,161

Question 18.
Multi-Step A bus company sold 39 one-way tickets and 20 round-trip tickets from West Elmwood to East Elmwood. One-way tickets cost $14. Round trip tickets cost $25. How much money did the bus company collect?
(A) $1,046
(B) S1,255
(C) $916
(D) $946
Answer:
Option(D)
Explanation:
A bus company sold 39 one-way tickets and 20 round-trip tickets from West Elmwood to East Elmwood.
One-way tickets cost $14; 39 x 14 =  $546
Round trip tickets cost $25; 20 x 25 = $500
Total money collected by the bus company
$546 + $500 = $946

Refer to our Texas Go Math Grade 4 Answer Key Pdf to score good marks in the exams. Test yourself by practicing the problems from Texas Go Math Grade 4 Module 8 Assessment Answer Key.

Texas Go Math Grade 4 Module 8 Assessment Answer Key

Vocabulary

• counting number5
• compatible numbers
• products

Vocabulary

Choose the best term from the box to complete the sentence.

Question 1.
_______________ are numbers that are easy to compute mentally.
Answer:
Compatible numbers
Explanation:
The numbers which are close to the actual numbers, and can be easily added, subtracted or divided orally are known as compatible numbers.”. These numbers are used for carrying out basic mathematical functions.
For example;
Compatible numbers for 232 and 11 are 240 and 12.

Concepts and Skills

Question 2.
Explain how to find 4 × 50 using mental math.
Answer:
4 x 50
4 x 5 x 10
20 x 10 = 200
Explanation:
Multiplying by 10 and 100 Using a Place-Value-Change Strategy
This strategy involves keeping track of how the place values change when a number is multiplied by 10.

Go Math Module 8 Grade 4 Answer Key Question 3.
What is the first step in estimating 56 × 27?
Answer:
56 is rounded to 60 and 27 id rounded to 30
60 x 30 = 1800
56 x 27 = 1512
Explanation:
Observing the first place of a given number,
Estimates can be very broad and general or
they can be quite close to the actual answer.
It all depends on the reason for estimating in the first place, then the second tenth place digit.

Choose a method. Then find the product.

Question 4.
35 × 10 ___________
Answer: 350
Explanation:
30 x 10 + 5 x 10
300 + 50 = 350

Question 5.
19 × 20 ___________
Answer:380
Explanation:
By using mental math
10 x 20 + 9 x 20
200 + 180 = 380

Question 6.
12 × 100 ___________
Answer: 1200
Explanation:
By using mental math
12 x 100 = 1200

Question 7.
70 × 100 ___________
Answer: 7000
Explanation:
By using mental math
70 x 100 = 7000

Question 8.
58 × 40 ___________
Answer: 2320
Explanation:
By using mental math
50 x 40 + 8 x 40
2000 + 320 = 2320

Question 9.
30 × 10 ___________
Answer: 300
Explanation:
By using mental math
30 x 10 = 300

Estimate the product. Choose a method.

Question 10.
81 × 38 ___________
Answer: 3,078
Estimate: 3,200
Explanation:
Estimates of 81 is 80 and 38 is 40
80 x 40 = 3200
So, 3,200 is the estimate of 3,078

Go Math Module 8 Answer Key Grade 4 Question 11.
16 × $59 ___________
Answer: $944
Estimate: 900
Explanation:
Estimates of 16 is 20 and 59 is 60
15 x 60 = 900
So, 900 is the estimate of 944

Question 12.
43 × 25 ___________
Answer: 1,075
Estimate: 1,200
Explanation:
Estimates of 43 is 40 and 25 is 30
40 x 30 = 1200
So, 1,200 is the estimate of 1,075

Find the product.

Question 13.
13 × 13 ___________

Answer:169
Explanation:
13 x 13 =
100 + 30 + 30 + 9 = 169

Go Math Grade 4 Module 8 Test Answers Question 14.
17 × 36 ___________

Answer: 612
Explanation:
17 x 36=
300 + 210 + 60 + 42 = 612

Question 15.
24 × 14 ___________

Answer: 336
Explanation:
24 × 14
200 + 80 + 40 + 16 = 336

Fill in the bubble completely to show your answer.

Question 16.
Ms. Traynors class is taking a field trip to the zoo. The trip will cost $26 for each student. There are 22 students in her class. Which is the best estimate for the cost of the students field trip?
(A) $480
(B) $600
(C) $1,200
(D) $6,000
Answer:
Option(B)
Explanation:
The trip will cost $26 for each student.
There are 22 students in her class.
22 x 26 = $572
$600 is the best estimate for the cost of the student’s field trip.

4th Grade Module 8 Assessment Answer Key Pdf Question 17.
Tatum wants to use partial products to find 15 × 32. Which shows a way to find 15 × 32?
(A) (10 × 3) + (10 × 2) + (30 × 1) + (30 × 50)
(B) (10 × 3o) + (10 × 2) + (5o × 30) + (5o × 2)
(C) (10 + 3o) + (10 + 2) + (30 + 10) + (30 + 5)
(D) (10 × 30) + (10 × 2) + (5 × 30) + (5 × 2)
Answer:
Option(D)
Explanation:
Write each factor in expanded form.
Multiply each number in the expanded form of one factor by each of the numbers in the expanded form of the other factor.
Calculate the sum of all of the products that resulted from step 2.
The sum of all the products is the product of the multiplication problem.

Question 18.
Mike has 16 baseball cards. Niko has 17 times as many baseball cards as Mike does. How many baseball cards does Niko have? Use an array to help you solve.
(A) 33
(B) 274
(C) 241
(D) 272
Answer:
Option(D)
Explanation:
Mike has 16 baseball cards.
Niko has 17 times as many baseball cards as Mike does.
16 x 17 = 272

Grade 4 Go Math Module 8 Assessment Answer Key Question 19.
Mary and her sister Emma are saving their money. Mary has saved 45 dimes and Emma has saved 20 times as many dimes as Mary. How many dimes has Emma saved?
(A) 850
(B) 900
(C) 870
(D) 910
Answer:
Option(B)
Explanation:
Mary has saved 45 dimes
Emma has saved 20 times as many dimes as Mary.
45 x 20 = 900 dimes

Question 20.
Mrs. Jones places 3 orders for school T-shirts. Each order has 16 boxes of shirts and each box holds 17 shirts. How many T-shirts does Mrs. Jones order?
Record your answer and till in the bubbles on the grid. Be sure to use the correct place value.

Answer:
Mrs. Jones orders 816

Explanation:
Mrs. Jones places 3 orders for school T-shirts.
Each order has 16 boxes of shirts
16 x 3 = 48
Each box holds 17 shirts.
48 x 17 = 816

Refer to our Texas Go Math Grade 4 Answer Key Pdf to score good marks in the exams. Test yourself by practicing the problems from Texas Go Math Grade 4 Lesson 8.7 Answer Key Area Multiply 2-Digit Numbers.

Texas Go Math Grade 4 Lesson 8.7 Answer Key Multiply 2-Digit Numbers

Essential Question

How can you use the strategy draw a diagram to solve multi-step multiplication problems?
Answer:
 To use this strategy, we draw a box (the number of columns and rows depend on the number of digits in the factors), and then write the expanded forms of the factors.

Unlock the Problem

During the 2010 Great Backyard Bird Count, an average of 42 bald eagles were counted in each of 20 locations throughout Alaska. In 2009, an average of 32 bald eagles were counted in each of 26 locations throughout Alaska. Based on this data, how many more bald eagles were counted in 2010 than in 2009?
42 x 20 = 840   in 2010
32 x 26 = 832   in 2009
Use the graphic organizer to help you solve the problem.
Answer:
8 more bald eagles
Explanation:
42 x 20 = 840   in 2010
32 x 26 = 832   in 2009
840 – 832 = 8

Read

What do I need to find?
I need to find ___________ bald eagles were counted in 2010 than in 2009.
Answer:
How many more bald eagles were counted in 2010 than in 2009?

What information am I given?
In 2010, ___________ locations counted an average of ___________ bald eagles each.
In 2009 ___________ locations counted an average of ___________ bald eagles each.
Answer:
In 2010, 20 locations counted an average of 42 bald eagles each.
In 2009, 26 locations counted an average of 32 bald eagles each.

Plan

What is my plan or strategy?
I can solve simpler problems.
Find the number of bald eagles counted in ___________ .
Find the number of bald eagles counted in ___________ .
Then draw a strip diagram to compare the ___________ count to the ___________ count.
Answer:
Find the number of bald eagles counted in 2009 .
Find the number of bald eagles counted in 2010 .
Then draw a strip diagram to compare the 2009 count to the 2010 count.

Solve

• First, find the total number of bald eagles counted in 2010.
____________ × ____________
= ____________ bald eagles counted in 2010
42 x 20 = 840 bald eagles counted in   in 2010

• Next, find the total number of bald
eagles counted in 2009.
= ____________ × ____________
= ____________ bald eagles counted in 2009
32 x 26 = 832  bald eagles counted in  in 2009

• Last, draw a strip diagram. I need to subtract.

840 – 832 = ____________
So, there were ____________ more bald eagles counted in 2010 than in 2009.
Answer:
42 x 20 = 840   in 2010
32 x 26 = 832   in 2009
840 – 832 = 8
So, there were 8 more bald eagles counted in 2010 than in 2009.

Try Another Problem

Prescott Valley, Arizona, reported a total of 29 mourning doves in the Great Backyard Bird Count.
Mesa, Arizona, reported 20 times as many mourning doves as Prescott Valley. If Chandler reported a total of 760 mourning doves, how many more mourning doves were reported in Chandler than in Mesa?

Read

What do I need to find?
Answer:
How many more mourning doves were reported in Chandler than in Mesa

What information am I given?
Answer:
Prescott Valley, Arizona, reported a total of 29 mourning doves in the Great Backyard Bird Count.
Mesa, Arizona, reported 20 times as many mourning doves as Prescott Valley. If Chandler reported a total of 760 mourning doves,

Plan

What is my plan or strategy?
Answer:
Using strip drawing to find the answer.
Solve

Answer: 180

Explanation:
29 x 20 = 580
mourning doves in Chandler are 760
mourning doves in Mesa  are  580
finding the difference 760 – 580 = 180

• Is your answer reasonable? Explain.
Answer: YES
Explanation:
mourning doves in Chandler are 760
mourning doves in Mesa  are  580
finding the difference 760 – 580 = 180

Math Talk

Mathematical Processes
Describe another way you could solve the problem.
Answer: 180
Explanation:

Share and Show

Question 1.
Analyze An average of 74 reports with bird counts were turned in each day in June. An average of 89 were turned in each day in July. How many reports were turned in for both months? (Hint: There are 30 days in June and 31 days in July.)
Answer: 4,979
Explanation:
An average of 74 reports with bird counts were turned in each day in June.
In June month there are 30 days.
So, 30 x 74 = 2,220
An average of 89 were turned in each day in July.
In the month of July there are 31 days.
So, 31 x 89 = 2,759
Total reports turned in for both months
2,220 + 2,759 = 4,979

First, write the problem for June.
Answer: 2,220
Explanation:
An average of 74 reports with bird counts were turned in each day in June.
In June month there are 30 days.
So, 30 x 74 = 2,220

Next, write the problem for July.
Answer: 2,759
Explanation:
An average of 89 were turned in each day in July.
In the month of July there are 31 days.
So, 31 x 89 = 2,759

Last, find and add the two products.

____________ reports were turned in for both months.
Answer: 4,979
Explanation:
The information above states,
Total reports turned in June 2,220
Total reports turned in July 2,759
Total reports turned in for both months
2,220 + 2,759 = 4,979

Question 2.
H.O.T. Multi-Step What if an average of 98 reports were turned in each day for the month of June? How many reports were turned in for June?
Describe how your answer for June would be different.
Answer: 2,940
The month of June has 30 days.
Explanation:
What if an average of 98 reports were turned in each day for the month of June
Number of reports turned in June
98 x 30 = 2,940

Problem Solving

Question 3.

H.O.T. Multi-Step On each of Maggie’s bird-watching trips, she has seen at least 24 birds.
If she has taken 4 of these trips each year over the past 16 years, at least how many birds has Maggie seen?
Answer: 1,536
Explanation:
On each of Maggie’s bird-watching trips, she has seen at least 24 birds.
If she has taken 4 of these trips each year over the past 16 years,
16 x 4 = 64
Total birds Maggie has seen past 16 years
64 x 24 = 1,536

Question 4.
H.O.T. Multi-Step Each of 5 bird-watchers reported seeing 15 roseate spoonbills in a day. If they each reported seeing the same number of roseate spoonbills over 14 days, how many would be reported?
Answer:
1,050 Roseate Spoonbills
Explanation:
Each of 5 bird-watchers reported seeing 15 roseate spoonbills in a day.
15 x 5 = 75
If they each reported seeing the same number of roseate spoonbills over 14 days,
75 x 14 = 1,050

Daily Assessment Task

Fill in the bubble completely to show your answer.

Question 5.
Geoducks and tubeworms are two creatures that live a long time. Pam and Sierra use their ages to describe the ages of these sea creatures. Pam says “I’m 13. Geoducks live to be about 12 times my age.” Sierra says “I’m 11. Tubeworms live to be about 15 times my age.” How many years longer do tubeworms live than geoducks?
(A) 27 years
(B) 10 years
(C) 9 years
(D) 1 year
Answer:
Option(B)
Explanation:
Pam says “I’m 13.
Geoducks live to be about 12 times my age.
12 x 13 = 156
Sierra says “I’m 11.
Tubeworms live to be about 15 times my age.
15 x 11 = 165
Number of years longer tubeworms live than geoducks
165 – 156 = 10 years

Question 6.
Multi-Step A restaurant buys 32 boxes of 21 packets of mustard each and 26 boxes of 35 packets of ketchup each. How many packets of mustard and ketchup does the restaurant buy?
(A) 304 packets
(B) 238 packets
(C) 1,352 packets
(D) 1,582 packets
Answer:
Option(D)
Explanation:
A restaurant buys 32 boxes of 21 packets of mustard each
32 x 21 = 672
26 boxes of 35 packets of ketchup each.
26 x 35 = 910
Total packets of mustard and ketchup the restaurant buy
672 + 910 = 1,582

Question 7.
Multi-Step There are 19 cases of 24 cans of vegetable soup each in the school cafeteria. There are 23 cases of 36 cans of chicken soup each in the cafeteria. How many cans of soup are in the school cafeteria?
(A) 321 cans
(B) 1,144 cans
(C) 1,284 cans
(D) 1,274 cans
Answer:
Option(C)
Explanation:
There are 19 cases of 24 cans of vegetable soup each in the school cafeteria.
19 x 24 = 456
There are 23 cases of 36 cans of chicken soup each in the cafeteria.
23 x 36 = 828
Number of cans of soup are in the school cafeteria
456 + 828 = 1,284

TEXAS Test Prep

Question 8.
Carol is the treasurer of her bird-watching club. The club wants to order shirts for each of the 18 members. If each shirt costs $21, what is the cost for the members’ shirts?
(A) $39
(B) $378
(C) $380
(D) $540
Answer:
Option(B)
Explanation:
Carol club wants to order shirts for each of the 18 members.
If each shirt costs $21
The total cost for the members’ shirts
18 x 21 = $378

Texas Go Math Grade 4 Lesson 8.7 Homework and Practice Answer Key

Problem Solving

Question 1.
One day, Sam’s Sweats sold 83 pairs of sweat pants for $29 each and 75 sweat shirts for $24 each. How much did Sam collect on the two items?
Answer:
Total amount Sam collect on the two items 6,614
Explanation:
Sam’s Sweats sold 83 pairs of sweat pants for $29 each
83 x 2 = 166 sweat pants
Total cost of sweat pants 166 x 29 = 4,814
75 sweat shirts for $24 each.
75 x 24 = 1,800
Total amount Sam collect on the two items
4,814 + 1,800 = 6,614

First write the problem for sweat pants.
Answer:
One day, Sam’s Sweats sold 83 pairs of sweat pants for $29 each. How much did Sam collect on the Sweat pants?

Next write the problem for sweat shirts.
Answer:
One day, Sam’s Sweats sold 75 sweat shirts for $24 each. How much did Sam collect on the Sweat shirts?

Practice and Homework Lesson 8.7 Answer Key Question 2.
Sam’s Sweats sold 68 pairs of sweatpants and 70 sweatshirts the next day. How much did Sam collect on the two items that day? Describe the difference in the sales on the two days.
Answer:
The difference in the sales on the two days 2,264
Explanation:
Sam’s Sweats sold 68 pairs of sweat pants 68 x 2 = 136
Cost of each sweat pant $29
Total cost of sweat pants = 136 x 29 = 3,944
He sold 70 sweat shirts the next day.
Each sweat shirt cost $24
Total cost of sweat shirts = 70 x 24 = 1,680
The difference in the sales on the two days 3,944 – 1,680 = 2,264

Question 3.
A factory got an order for 65 cases of shampoo. There are 15 bottles in each case. They have 1,000 bottles of shampoo in stock. Is there enough shampoo in stock to fill the order? If so, how many bottles will be left over? If not, how many more bottles are needed?
Answer:
Yes, there is enough shampoo in stock to fill the order.
25 bottles are left.
Explanation:
A factory got an order for 65 cases of shampoo.
There are 15 bottles in each case.
Total bottles in 65 cases 65 x 15 = 975
They have 1,000 bottles of shampoo in stock.
Number of bottles left over 1000 – 975 =

Question 4.
A store ordered 26 cartons of large dog beds and 22 cartons of small dog beds. There are 12 large dog beds in a carton and 16 small dog beds in a carton. Did the store order more large dog beds or more small dog beds? How many more?
Answer:
The store order 20 more small dog beds.
Explanation:
A store ordered 26 cartons of large dog beds,
There are 12 large dog beds in a carton.
Total large dog beds = 26 x 12 = 312
22 cartons of small dog beds.
There are 16 small dog beds in a carton.
Total small dog beds = 22 x 16 = 352
The store order 20 more small dog beds.

Lesson Check

Fill in the bubble completely to show your answer.

Question 5.
Multi-Step Large postcards come in packages of 20. Small postcards come in packages of 25. A store buys 24 packages of large postcards and 18 packages of small postcards. Which statement is true?
(A) The store bought a total of 930 postcards.
(B) The store bought 30 more small postcards than large postcards.
(C) The store bought a total of 932 postcards.
(D) The store bought 68 more large postcards than small postcards.
Answer:
Option(A)
Explanation:
Large postcards come in packages of 20.
Small postcards come in packages of 25.
A store buys 24 packages of large postcards
24 x 20 = 480
18 packages of small postcards.
18 x 25 = 450

Question 6.
Multi-Step Sarah can pack 16 books in a box. She has 14 boxes. She has 230 books to pack. Which statement is true?
(A) Sarah will have room for 1 more book in the last box she packs.
(B) Sarah has exactly the right number of boxes to pack all of the books.
(C) Sarah will have 1 box left over after she packs all of the books.
(D) Sarah needs 1 more box to pack all of the books.
Option(D)
Explanation:
Sarah can pack 16 books in a box.
She has 14 boxes.
Total books in 14 boxes = 16 x 14 = 224
She has 230 books to pack.

Question 7.
Multi-Step Jeans cost $39 a pair. T-shirts cost $14 each. How much does it cost to buy 2 pairs of jeans and 3 T-shirts for each of the 6 members of the Walsh family?
(A) $720
(B) $1,908
(C) $870
(D) $626
Answer:
Option(A)
Explanation:
Jeans cost $39 a pair.
T-shirts cost $14 each.
Each pair of jeans and T-shirt 39 + 14 = 53
The cost of 2 pairs of jeans  39 x 2 = 78 and
3 T-shirts  cost 14 x 3 = 42
Each of the 6 members of the Walsh family
78 + 42 = 120
120 x 6 = 720

Question 8.
Multi-Step There are 472 stuffed bears in stock at a factory. The factory has an order for 35 cartons of bears. There are 16 in a carton. I-low many more stuffed bears do they need to make to fill the order?
(A) 58
(B) 88
(C) 42
(D) 98
Answer:
Option(B)
Explanation:
There are 472 stuffed bears in stock at the factory.
The factory has an order for 35 cartons of bears.
There are 16 in a carton.
Total bears in carton 35 x 16 = 560
Number of more stuffed bears they need to make to fill the order
560 – 472 = 88

Lesson 8.7 Practice and Homework Answer Key Question 9.
Multi-Step Glenn made 20 trays of 12 muffins each. Laurie made 15 trays of 18 muffins each. How many more muffins did Laurie make?
(A) 40
(B) 20
(C) 10
(D) 30
Answer:
Option(D)
Explanation:
Glenn made 20 trays of 12 muffins each.
Total muffins  Glenn had 20 x 12 = 240
Laurie made 15 trays of 18 muffins each.
Total muffins Laurie had 15 x 18 = 270
Number of muffins Laurie makes more 270 – 240 = 30

Question 10.
Multi-Step There are 48 crayons in a box. There are 12 boxes in a carton. Mr. Johnson ordered 6 cartons of crayons for the school. How many crayons did he get?
(A) 3,346
(B) 3,446
(C) 3,456
(D) 3,356
Answer:
Option(C)
Explanation:
There are 48 crayons in a box.
There are 12 boxes in a carton.
Each carton has 12 x 48 = 576 crayons
Mr. Johnson ordered 6 cartons of crayons for the school.
Total crayons Mr. Johnson get
576 x 6 = 3,456

Refer to our Texas Go Math Grade 4 Answer Key Pdf to score good marks in the exams. Test yourself by practicing the problems from Texas Go Math Grade 4 Lesson 8.2 Answer Key Estimate Products.

Texas Go Math Grade 4 Lesson 8.2 Answer Key Estimate Products

Essential Question

What strategies can you use to estimate products?
Answer:
There are two methods are there we can use to estimate the product
i) Mental Math Multiplication Method
ii) Place value multiplication method

Unlock the Problem

• Underline any information you will need.

The Smith family opens the door of their refrigerator 32 times in one day. There are 31 days in May. About how many times is it opened in May?
Answer:
992 times
Explanation:
opens the door of their refrigerator 32 times in one day.
There are 31 days in May.
to know how many times is it opened in May
32 x 31
STEP 1 Find  half of 32 by dividing by 2
32 /2 = 16
STEP 2 Multiply
16 x 31 = 403
STEP 3 double the 403
2 x 403  = 992

One Way Use rounding and mental math.

Estimate. 32 × 31

STEP 1 Round each factor

STEP 2 Use mental math.
3 × 3 = 9 ← basic fact
30 × 30 = _________
Answer: 900
Explanation:
Round each factor
30 x 30
3 x 3 x 10 x 10
9 x 100 = 900 times

So, the Smith family opens the refrigerator door about 900 times during the month of May.

All 24 light bulbs in the Park family’s home are CFL light bulbs. Each CFL light bulb uses 28 watts to produce light. About how many watts will the light bulbs use when turned on all at the same time?

Answer:
672 watts
Explanation:
All 24 light bulbs in the Park family’s home are CFL light bulbs.
Each CFL light bulb uses 28 watts to produce light
24 x 28 = 672 watts

Another Way Use mental math and compatible numbers.

Compatible numbers are numbers that are easy to compute mentally.

Estimate. 24 × 28

STEP 1 Use compatible numbers.

Answer: 750
Explanation:
25 x 3 x 10
75 x 10 = 750

STEP 2 Use mental math.
25 × 3 = 75
25 × 30 = __________
Answer:
25 x 30 = 750
STEP 2 Use mental math.
25 × 3 = 9 ← basic fact
25 × 30 = 750
So, about 750 watts are used.
Explanation:
To estimate the product, we first round off the multiplier and the multiplicand to the nearest tens, hundreds, or thousands and then multiply the rounded numbers.

Try This! Estimate 26 × $79.

(A) Round to the nearest ten

26 × $79 is about ____________ .
Answer:
26 × $79 is about $2,054

Explanation:
In order to estimate products, we round the given factors to the required place value. Estimating products help us to check the reasonableness of an answer.
(B) Compatible numbers

26 × $79 is about ____________ .
Answer:
26 × $79 is about $2,054

Explanation:
Compatible numbers are pairs of numbers that are easy to multiply, mentally.
The numbers 26 and 79 are not compatible for multiplication since the product 2,054 can’t be easily calculated mentally.
To estimate 26 × 79, replace 26 and 79 with the compatible numbers 25 and 80.

Share and Show

Question 1.
To estimate the product of 62 and 28 by rounding, how would you round the factors? What would the estimated product be?
Answer:
62 x 28 = 1736
Explanation:
62 is estimated number is 60 and 28 is 30
the product is 1800

1736 is estimated as 1800

Estimate the product. Choose a method.

Question 2.
96 × 34
Answer: 3,264
Estimate: 3000
Explanation:
In order to estimate products, we round the given factors to the required place value. Estimating products helps us to check the reasonableness of an answer.

Lesson 8.2 Estimate Products Grade 4 Question 3.
47 × $39
Answer: 1,833
Estimate: 1800
Explanation:
In order to estimate products, we round the given factors to the required place value. Estimating products helps us to check the reasonableness of an answer.

Question 4.
78 × 72
Answer: 5,616
Estimate: 5600
Explanation:
In order to estimate products, we round the given factors to the required place value. Estimating products help us to check the reasonableness of an answer.

Math Talk

Mathematical Processes
Describe how you know if an estimated product will be greater than or less than the exact answer.
Answer:
The difference to be checked between the estimated product and the exact values product.
If then the estimated product will be checked for greater than or less than the exact.

Problem Solving

Practice: Copy and Solve Estimate the product. Choose a method.

Question 5.
61 × 31
Answer: 1,891
Estimated
60 x 30 = 1800
Explanation:
In order to estimate products, we round the given factors to the required place value. Estimating products help us to check the reasonableness of an answer.

Question 6.
52 × 68
Answer: 3,536
50 x 70 = 3500
Explanation:
In order to estimate products, we round the given factors to the nearest place value.
Estimating products help us to check the reasonableness of an answer.

Question 7.
26 × 44
Answer: 1,144
25 x 45 = 1,125
Estimate: 1100
Explanation:
In order to estimate products, we round the given factors to the nearest place value.
Estimating products help us to check the reasonableness of an answer.
Question 8.
57 × $69
Answer: 3,933
Estimate:55 x 70=3850
Explanation:
In order to estimate products, we round the given factors to the nearest place value.
Estimating products helps us to check the reasonableness of an answer.

Go Math Grade 4 Estimate Products Question 9.
55 × 39
Answer: 2,145
Estimate: 55 x 40 = 2200
Explanation:
In order to estimate products, we round the given factors to the nearest place value.
Estimating products help us to check the reasonableness of an answer.

Question 10.
51 × 81
Answer: 4,131
Estimate: 50 x 80 = 4000
Explanation:
In order to estimate products, we round the given factors to the nearest place value.
Estimating products help us to check the reasonableness of an answer.

Question 11.
47 × $32
Answer: 1,504
Estimate: 45 x 30 = 1350
Explanation:
In order to estimate products, we round the given factors to the nearest place value.
Estimating products help us to check the reasonableness of an answer.

Question 12.
49 × 64
Answer: 3,136
Estimate:50 x 60 =3000
Explanation:
In order to estimate products, we round the given factors to the nearest place value.
Estimating products help us to check the reasonableness of an answer.

H.O.T. Find two possible

Explanation:
In order to estimate products, we round the given factors to the nearest place value.
Estimating products help us to check the reasonableness of an answer.

Find the two possible factors for the estimated products.

Question 13.
2,800
Answer:
140 x 20
Explanation:
To estimate the product, we first round off the multiplier and the multiplicand to the nearest tens, hundreds, or thousands and then multiply the rounded numbers.
A factor is a number that divides into another number exactly without leaving a remainder.
(14 x 2)(10 x 10)
140 x 20 = 2800
140 x 20

Question 14.
8,100
Answer:
90 x 90
Explanation:
To estimate the product, we first round off the multiplier and the multiplicand to the nearest tens, hundreds, or thousands and then multiply the rounded numbers.
A factor is a number that divides into another number exactly without leaving a remainder.
(9x 9)(10 x 10)
81 x 100 = 8,100
90 x 90

Question 15.
5,600
Answer:
70 x 80
Explanation:
To estimate the product, we first round off the multiplier and the multiplicand to the nearest tens, hundreds, or thousands and then multiply the rounded numbers.
A factor is a number that divides into another number exactly without leaving a remainder.
(7 x 8)(10 x 10)
56 x 100 = 5600
70 x 80

Question 16.
2,400
Answer:
120 x 20
Explanation:
To estimate the product, we first round off the multiplier and the multiplicand to the nearest tens, hundreds, or thousands and then multiply the rounded numbers.
A factor is a number that divides into another number exactly without leaving a remainder.
(12 x 2)(10 x 10)
24 x 100 = 2400
120 x 20

Question 17.
Apply On average, a refrigerator door is opened 38 times – each day. Len has two refrigerators in his house. Based on this average, about how many times in a 3-week period are the refrigerator doors opened?
Answer:
228 times
Apply On average, a refrigerator door is opened 38 times – each day.
Len has two refrigerators in his house.
Based on this average, the number of times in a 3-week period is the refrigerator doors opened
38 x 2 x 3
38 x 6 = 228 times

Estimating Products Grade 4 Lesson 8.2 Question 18.
The cost to run a refrigerator is about $57 each year. About how much will it cost to run by the time it is 15 years old?
Answer: $ 855
Explanation:
The cost to run a refrigerator is about $57 each year.
Total cost to run by the time in 15 years old
57 x 15 = $855

Question 19.

H.O.T. Multi-Step If Mel opens his refrigerator door 36 times every day, how many times will it be opened in April? Will the exact answer be more than or less than the estimate? Explain.
Answer:
1080 times
Estimate: 1000 times
Explanation:
If Mel opens his refrigerator door 36 times every day,
In April month there are 30 days
So, 30 x 36= 1080 times
1080 is more than the exact answer.

Question 20.
H.O.T. Explain why $2,400 and $2,000 are both reasonable estimates for problems A and B below Try This! on page 274.
Answer:
Both are correct as they are estimates.
Explanation:
In order to estimate products, we round the given factors to the required place value.
Estimating products help us to check the reasonableness of an answer.
Question 21.
H.O.T. What’s the Question? The estimated product of two numbers, that are not multiples of ten, is 2,800.
Answer:

Daily Assessment Task

Fill in the bubble completely to show your answer.

Question 22.
A scientist watches a thorny dragon eat ants for 32 minutes. It eats at a rate of up to 45 ants every minute. At this rate, about how many ants does the thorny dragon eat in 32 minutes?
(A) 2,000 ants
(B) 1,500 ants
(C) 1,600 ants
(D) 150 ants
Answer:
Option(B)
Explanation:
A scientist watches a thorny dragon eat ants for 32 minutes.
It eats at a rate of up to 45 ants every minute.
Number of ants eaten by the thorny dragon in 32 minutes
Estimates of 32 is 30 and 45 is 50
So, 30 x 50  = 1500

Question 23.
Denise uses 24 beads to make 1 beaded necklace. About how many beads does she need to make 42 beaded necklaces?
(A) 1,500 beads
(B) 100 beads
(C) 800 beads
(D) 150 beads
Answer:
Option(C)
Explanation:
Denise uses 24 beads to make 1 beaded necklace.
Number of beads she need to make 42 beaded necklaces
Estimate of 24 is 20 and 42 is 40
So, compatible pairs 20 x 40 = 800

Question 24.
Multi-Step Mr. Parker jogs for 35 minutes each day. He jogs 5 days in week 1, 6 days in week 2, and 7 days in week 3. About how many minutes does he jog?
(A) 400 minutes
(§) 350 minutes
(C) 200 minutes
(D) 800 minutes
Answer:
Option(D)
Explanation:
Mr. Parker jogs for 35 minutes each day.
He jogs 5 days in week 1, = 5 x 35 =175 minutes
6 days in week 2, 35 x 6 = 210 minutes
and 7 days in week 3, 7 x 35 = 245
Total minutes he jogs = 175 + 210 + 245 = 630
Nearest estimate: 800

TEXAS Test Prep

Question 25.
Which is the best estimate for the product 75 × 23?
(A) 2,600
(B) 2,200
(C) 160
(D) 1,600
Answer:
Option(D)
Explanation:
23 x 75 = 1725
Estimate of 23 is 20 and 75 is 80
So, 20 x 80 = 1600

Texas Go Math Grade 4 Lesson 8.2 Homework and Practice Answer Key

Estimate the product. Choose a method.

Question 1.
42 × 28
Answer:
Estimate:1200
Explanation:
Compatible numbers, these are a pair of numbers used in multiplication to estimate the product.
Estimates of 42 is 40 and 28 is 30.
So, compatible pairs are
40 x 30 =1200

Question 2.
95 × 33
Answer:
Estimate: 3000
Explanation:
Compatible numbers, these are a pair of numbers used in multiplication to estimate the product.
Estimate of 95 is 100 nd 33 is 30
So, compatible pairs are
100 x 30 = 3000

Question 3.
61 × 58
Answer:
Estimate: 1200
Explanation:
Compatible numbers, these are a pair of numbers used in multiplication to estimate the product.
Estimate of 61 is 60 and 58 is 60
So, compatible pairs are
60 x 60 = 1200

Lesson 8.2 Estimate Products 4th Grade Question 4.
77 × 13
Answer:
Estimate: 800
Explanation:
Compatible numbers, are a pair of numbers used in multiplication to estimate the product.
The estimate of 77 is 80 and 13 is 10
Compatible pairs are 80 x 10 = 800

Find two possible factors for the estimated product.

Question 5.
1,600
Answer:
40 x 40
Explanation:
Factors are the numbers that divide the numbers exactly with a remainder zero.
So, 40 is the factor of estimated product.

Question 6.
4,500
Answer:
90 x 50
Explanation:
Factors are the numbers that divide the numbers exactly with a remainder zero.
So, 90 and 50 are the factor of estimated product.

Question 7.
6,000
Answer:
60 x 100
Explanation:
Factors are the numbers that divide the numbers exactly with a remainder zero.
So, 60 and 100 are the factor of estimated product.

Question 8.
3,200
Answer:
80 x 40
Explanation:
Factors are the numbers that divide the numbers exactly with a remainder zero.
So, 80 and 40 are the factor of estimated product

Problem Solving

Question 9.
A bus holds 58 people. For the last away game, 27 bus loads of fans traveled to the game. About how many fans went to the game on the buses?
Answer:
58 x 27 = 1566
Explanation:
A bus holds 58 people.
For the last away game, 27 bus loads of fans traveled to the game.
Number of fans went to the game on the buses
58 x 27 = 1566

Question 10.
The fence posts along Tom’s driveway are 96 inches apart. There are 32 fence posts, About how many inches long is the fence?
Answer:
96 x 32 = 3072
Explanation:
The fence posts along Tom’s driveway are 96 inches apart.
There are 32 fence posts,
Number of inches long is the fence 96 x 32 = 3072

Question 11.
Will the exact answer to Problem 9 be more than or less than the estimate? Explain.
Answer:
The exact answer to Problem 9 is less than the estimate.
Explanation:
The answer for question number 9 is 1566
Estimate of 1566 is 1600

Question 12.
Nona used compatible numbers to estimate that 25 × 42 is about 1,000. Gerry rounded and estimated that the product is about 1,200. Which estimate is closest to the exact answer? Explain.
Answer:
Gerry estimate is closest to the exact answer.
Explanation:
Nona used compatible numbers to estimate that 25 × 42 is about 1,000.
Gerry rounded and estimated that the product is about 1,200.
Gerry rounded the compatible pairs as 30 x 40 = 1200
Gerry estimate is closest to the exact answer.

Fill in the bubble completely to show your answer.

Question 13.
Which is the best estimate for the product of 26 × 78?
(A) 2,400
(B) 1,600
(C) 2,000
(D) 1,400
Answer:
Option(A)
Explanation:
26 x 78 = 2028
Estimate of 26 is 30 and 78 is 80
So, 30 x 80 = 2400

Question 14.
For which two factors is the product closest to 4,800?
(A) 24 × 24
(B) 56 × 83
(C) 47 × 66
(D) 92 × 38
Answer:
Option(B)
Explanation:
Estimate of 56 is 60 and 83 is 80
60 x 80 = 4800

Question 15.
A store has 12 rows of eye glasses in a display. There are 27 pairs of glasses in each row. Which estimate is closest to the number of pairs of glasses in the store’s display?
(A) 300
(B) 240
(C) 360
(D) 200
Answer:
Option(A)
Explanation:
A store has 12 rows of eye glasses in a display.
There are 27 pairs of glasses in each row.
12 x 27 = 324
Estimate 300 is closest to the number of pairs of glasses in the store’s display.

Question 16.
A factory uses 28 screws for each bookcase they make. In one day, they produce 44 bookcases. About how many screws are needed each day?
(A) 1,500
(B) 1,000
(C) 800
(D) 1,200
Answer:
Option(D)
Explanation:
A factory uses 28 screws for each bookcase they make.
In one day, they produce 44 bookcases.
28 x 44 = 1232
Number of screws needed each day 1200
Estimate of 28 is 30 and 44 is 40
40 x 30 = 1200

Question 17.
Multi-Step A theater has 17 rows of seats on the floor and 11 rows of seats in the balcony. There are 55 seats in each row. Which is the best estimate of the total number of seats in the theater?
(A) 180
(B) 1,500
(C) 2,400
(D) 1,800
Answer:
Option(B)
Explanation:
A theater has 17 rows of seats on the floor and
11 rows of seats in the balcony.
There are 55 seats in each row.
(17 + 11) x 55 = 1540
The best estimate of the total number of seats in the theater is 1500

Question 18.
Multi-Step There are 48 beads in a package. Mariah bought 4 packages of blue, 9 packages of gold, 6 packages of red, and 2 packages of silver beads. Which is the best estimate of the total number of beads she bought?
(A) 1,000
(B) 800
(C) 1,200
(D) 2,400
Answer:
Option(A)
Explanation:
There are 48 beads in a package.
Mariah bought 4 packages of blue, 9 packages of gold, 6 packages of red, and 2 packages of silver beads. 48 x (4+9+6+2) = 1008
The best estimate of the total number of beads she bought are 1000.

Refer to our Texas Go Math Grade 4 Answer Key Pdf to score good marks in the exams. Test yourself by practicing the problems from Texas Go Math Grade 4 Lesson 8.1 Answer Key Multiply by Tens.

Texas Go Math Grade 4 Lesson 8.1 Answer Key Multiply by Tens

Essential Question

What strategies can you use to multiply by tens?
Answer:
Multiplication is repeated addition. When multiplying whole numbers by 10, simply add a 0 to the end of the number. When multiplying decimals by 10, move the decimal point one space to the right.

Unlock the Problem

Animation for a computer-drawn cartoon requires about 20 frames per second. How many frames would need to he drawn for a 30-second cartoon?
Answer:
20 x 30 = 600
Explanation:
Multiply by 10 strategy is used.
First multiply the tens place and add zeros to ones place.
So, 20 x 30 = 600
The phrase “20 frames per second’’ means 20 frames are needed for each second of animation. How does this help you know what operation to use?
Answer:
Multiplication operation is used
20 x 30 = 600
Explanation:
A mathematical operation, symbolized by a × b, a ⋅ b, a ∗ b, or ab, and signifying,
when a and b are positive integers, that a is to be added to itself as many times as there are units in b; the addition of a number to itself as often as is indicated by another number, as in 2×3 or 5×10. 

One Way Use place value.

Multiply. 20 × 30
You can think of 30 as 3 tens.
20 × 30 = 20 × __________ tens
= __________ tens
= 600
Answer:
20 × 30 = 20 ×3 tens
= 60 tens
= 600
Explanation:
Multiplication is repeated addition. When multiplying whole numbers by 10, simply add a 0 to the end of the number. When multiplying decimals by 10, move the decimal point one space to the right.

Remember
The Associative Property states that you can group factors in different ways and get the same product. Use parentheses to group the factors you multiply first.

Another Way Use the Associative Property.

You can think of 30 as 3 × 10.
20 × 30 = 20 × (3 × 10)
= (20 × 3) × 10
= __________ × __________
= __________
Answer:
600 frames would need to be drawn.
= (20 × 3) × 10
= 60 × 10
= 600
Explanation:
Associative law, in mathematics, either of two laws relating to number operations of addition and multiplication, stated symbolically: a + (b + c) = (a + b) + c, and a(bc) = (ab)c; that is, the terms or factors may be associated in any way desired.

Math Talk

Mathematical Processes
How can you use place value to tell why 60 × 10 = 600? Explain.
Answer:
6 x 10 x 10
= 6 x tens x 10
= 600
Explanation:
The order of place value of digits in a number from right to left is ones or units, tens, hundreds, thousands, ten thousand, a hundred thousand, and so on.
6 x 10, in the 6 is in tens place,
So, 10 x 10 x 6 = 600

• Compare the number of zeros in each factor to the number of zeros in the product. What do you notice?
Answer:
Same number of zeros are noticed.
Explanation:
6 x 10 x 10 there are two zeros
60 x 10 = 600 here also two zeros
So, the number of zeros in each factor to the number of zeros in the product are same.

Another Way

Use mental math to find 14 × 30.

Use the halving-and-doubling strategy.

STEP 1 Find half of 14 to make the problem simpler.

Think: To find half of a number, divide by 2.
14 ÷ 2 = ___________
So, 14 × 30 = 420.
Answer:
14 ÷ 2 = 7
So, 14 × 30 = 420.
Explanation:
To find half of a number, divide by 2.
14 ÷ 2 = 7
Then multiply with 30
So, 14 × 30 = 420.

STEP Multiply
7 × 30 = ____________
Answer:
7 × 30 = 210
Explanation:
STEP 3 Double 210.
Multiply 7 with 3 and add 0 in ones pace.

Think: To double a number, multiply by 2.
2 × 210 = ____________
Answer:
2 x 210 = 420
Explanation:
To double a number, multiply by 2.
2 x 210 = 420

Try This! Multiply.

Use mental math to find 12 × 40.
Answer: 480
Explanation:
Mental Math Method
STEP 1 Find half of 12 to make the problem simpler.
12 ÷ 2 = 6
STEP 2 Multiply
6 x 40 = 240
STEP 3 Double 240.
2 x 240 = 480.

Use place value to find 12 × 40.
Answer:
Place value Method
12 x (4 x 10)
= (12 x 4) x 10
= 48 x 10
= 480
Explanation:
Explanation:
The order of place value of digits in a number from right to left is ones or units, tens, hundreds, thousands, ten thousand, a hundred thousand, and so on.
So, 12 x 40 = 480

Share and Show

Go Math Lesson 8.1 4th Grade Multiply by Tens Question 1.
Find 20 × 27. Tell me which method you chose. Explain what happens in each step. Choose a method. Then find the product.
Answer:

Mental Math Method
STEP 1 Find half of 20 to make the problem simpler.
20 ÷ 2 = 10
STEP 2 Multiply
10 x 27 = 270
STEP 3 Double 270.
2 x 270 = 540.

Use place value to find 20 × 27.
Answer:
Place value Method
27 x (2 x 10)
= (27 x 2) x 10
= 54 x 10
= 540
Explanation:
Multiplication is repeated addition.
When multiplying whole numbers by 10, simply add a 0 to the end of the number.
The order of place value of digits in a number from right to left is ones or units, tens, hundreds, thousands, ten thousand, a hundred thousand, and so on.

Choose a method. Then find the product.

Question 2.
10 × 12
Answer: 120
Explanation:
Mental Math Method
STEP 1 Find half of 12 to make the problem simpler.
12 ÷ 2 = 6
STEP 2 Multiply
6 x 10 = 60
STEP 3 Double 60.
2 x 60 = 120.

Question 3.
20 × 20
Answer: 400
Explanation:
Mental Math Method
STEP 1 Find half of 20 to make the problem simpler.
20 ÷ 2 = 10
STEP 2 Multiply
10 x 10 = 100
STEP 3 Double 200
2 x 200 = 400.

Question 4.
40 × 24
Answer: 480
Explanation:
Mental Math Method
STEP 1 Find half of 24 to make the problem simpler.
24 ÷ 2 = 12
STEP 2 Multiply
12 x 10 = 120
STEP 3 Double 120.
2 x 120 = 240
STEP 4 Double 240.
240 x 2 = 480

Go Math Grade 4 Lesson 8.1 Answer Key Multiply by Tens Question 5.
11 × 60
Answer: 660
Explanation:
Mental Math Method
STEP 1 Find half of 60 to make the problem simpler.
60 ÷ 2 = 30
STEP 2 Multiply
30 x 10 = 300
STEP 3 Double 300.
2 x 300 = 600.
600 + 60 = 660

Problem Solving

H.O.T Algebra Find the unknown digit in the number.

Question 6.
64 × 40 = 2,56

= __________
Answer:
64 x 4 x 10
256 x 10
2560
= 0
Explanation:
To find unknown multiply terms, multiply the coefficients and add the exponents on each variable.
The number of terms in the product will be equal to the product of the number of terms.

Question 7.
29 × 50 = 1, 50

= ____________
Answer:
29 x 50
=29 x 5 x 10
=145 x 10
=1450
= 4
Explanation:
To find unknown multiply terms, multiply the coefficients and add the exponents on each variable.
The number of terms in the product will be equal to the product of the number of terms.

Go Math Grade 4 Lesson 8.1 Answer Key Question 8.
3 × 47 = 1,410

= _____________
Answer:
47 x 3
141
141_  = 1410
= 0
Explanation:
To find unknown multiply terms, multiply the coefficients and add the exponents on each variable.
The number of terms in the product will be equal to the product of the number of terms.

Problem solving

Use the table for 9-10.

Question 9.
How many frames did it take to produce 50 seconds of Pinocchio?
Answer:
950 frames for 50 seconds.
Explanation:
Pinocchio 19 seconds to produce 1 frame.
So, to produce 50 seconds
50 x 19
= 19 x 5 x 10
= 95 x 10
= 950 frames for 50 seconds

Question 10.
Are there fewer frames in 10 seconds of The Flintstones or in 14 seconds of The Enchanted Drawing? What is the difference in the number of frames?
Answer:
The Flintstones 40 frames less then The Enhanced Drawing.
Explanation:
The Flintstones         The Enhanced Drawing
10 x 24 =  240                       14 x 20 = 280
24 tens                                   28 tens
The Flintstones 40 frames less then The Enhanced Drawing

Question 11.

H.O.T. The product of my number and twice my number is 128. What is half my number? Explain how you solved the problem.
Answer:
Half of my number is 64
Explanation:
let my number is X
twice my number is  2X
X x 2(X) = 128
X x (X) = 128/2
X x (X) = 64
X = 8           8 x 8 = 68
my number is 8
X x 2(X) = 128
8 x 2 x (8) = 8 x 16 = 128

Lesson 8.1 Answer Key 4th Grade Go Math Question 12.
H.O.T. Multi-Step What’s the Error? Tanya says that the product of a multiple often and a multiple of ten will always have only one zero. Is she correct? Explain.
Answer: NO
Explanation:
only one zero is not correct
Examples,
10 x 10 = 100
10 x 2 = 20
3 x 10 = 30

Daily Assessment Task

Fill in the bubble completely to show your answer.

Question 13.
A giant kelp plant can grow 60 centimeters per day. About how much can it grow in 30 days?
(A) 180 centimetres
(B) 18,000 centimetres
(C) 1,800 centimetres
(D) 1,200 centimetres
Answer:
Option (C)
Explanation:
A giant kelp plant can grow 60 centimeters per day.
About how much can it grow in 30 days
60 x 30
(6 x 3) (10 x 10)
18 x 100
1800 centimetres

Question 14.
Mrs. Sanchez drives a total of 50 miles for work each day.
How many miles does she drive in 42 days?
(A) 2,000 miles
(B) 2,010 miles
(C) 210 miles
(D) 2,100 miles
Answer:
Option(D)
Explanation:
Mrs. Sanchez drives a total of 50 miles for work each day.
Number of miles she drive in 42 days
50 x 42 =2,100 miles

Question 15.
Multi-Step Alison is getting ready for a math contest. Each day, she works on multiplication problems for 20 minutes and division problems for 10 minutes. How many minutes does Alison practice multiplication and division problems in 15 days?
(A) 300 minutes
(B) 150 minutes
(C) 350 minutes
(D) 450 minutes
Answer:
Option(D)
Explanation:
Each day, Alison works on multiplication problems for 20 minutes and
works on division problems for 10 minutes.
Each day she works for 10 + 20 = 30
Number of minutes Alison practice multiplication and division problems in 15 days
30 x 15 = 450 minutes

TEXAS Test Prep

Go Math Lesson 8.1 Answer Key 4th Grade Question 16.
Luis jogs 10 miles a week. He bikes 20 miles a week. How far will he have jogged in 26 weeks?
(A) 30 miles
(B) 200 miles
(C) 260 miles
(D) 520 miles
Answer:
Option(C)
Explanation:
Luis jogs 10 miles a week.
He bikes 20 miles a week.
Number of mile he jogged in 26 weeks
26 x 10 = 260 miles.

Texas Go Math Grade 4 Lesson 8.1 Homework and Practice Answer Key

Choose a method. Then find the product.

Question 1.
30 × 40 = __________
Answer: 120
Explanation:
Mental Math Method
STEP 1 Find half of 30 to make the problem simpler.
30 ÷ 2 = 15
STEP 2 Multiply
15 x 40 = 600
STEP 3 Double 600.
2 x 600 = 1200.

Use place value to find 30 × 40.
Answer:
Place value Method
30 x (4 x 10)
= (30 x 4) x 10
= 120 x 10
= 1200
Explanation:
The order of place value of digits in a number from right to left is ones or units, tens, hundreds, thousands, ten thousand, a hundred thousand, and so on.
So, 30 x 40 = 1200

Question 2.
16 × 20 = __________
Answer: 320
Explanation:
Mental Math Method
STEP 1 Find half of 16 to make the problem simpler.
16 ÷ 2 = 8
STEP 2 Multiply
8 x 2 = 16
STEP 3 Double 16.
2 x 16 = 32.
Multiply with 10
32 x 10 = 320

Practice and Homework Lesson 8.1 Answer Key Question 3.
50 × 11 = __________
Answer: 550
Explanation:
Place value Method
11 x (5 x 10)
= (11 x 5) x 10
= 55 x 10
= 550
Explanation:
The order of place value of digits in a number from right to left is ones or units, tens, hundreds, thousands, ten thousand, a hundred thousand, and so on.
So, 50 x 11= 550

Find the unknown digit in the number.

Question 4.
54 × 30 = 162

= __________
Answer: 0
Explanation:
54 x 30
54 x 3 x 10
162 x 10
1620
1620 = 162
= 0

Question 5.
36 × 40 = 140

= ____________
Answer: 4
Explanation:
36 x 40
36 x 4 x 10
144 x 10 = 1440
= 4

Question 6.
2 × 62 = 1,240

=_____
Answer: 0
62 x 2
124
124_ = 1240
= 0

Problem Solving

Use the table for 7-8.

Question 7.
The tennis instructor teaches 20 lessons each week. How many minutes does she teach?
Answer:
800 minutes
Explanation:
The tennis instructor teaches 20 lessons each week.
Total minutes she teaches
20 x 40
20 x 4 x 10
80 x 10 =800 minutes

Go Math Grade 4 Answer Key Lesson 8.1 Multiply by Tens Question 8.
Last month, the golf teacher taught 32 lessons. The swimming teacher taught 40 lessons. Which teacher taught for the most minutes? What is the difference in the number of minutes?
Answer:
Swimming teacher taught more minutes, the difference is 80 minutes
Explanation:
i) golf teacher taught 32 lessons
32 x 60
32 x 6 x 10
192 x 10 = 1920
ii) swimming teacher taught 40 lessons
40 x 50
40 x 5 x 10
200 x 10 = 2000
the difference in the number of minutes is 2000 – 1920 = 80 minutes
Swimming teacher taught more minutes

Question 9.
The product of half my number times my number is 162. What is twice my number? Explain how you solved the problem.
Answer: 324
Explanation:
let my number is X
half my number is  X/2
X x (X/2) = 162
X x (X) = 162 x 2
X x (X) = 324                 (18 x 18 = 324)
number is X = 18
twice my number 2 X = 2 x 18 = 36

Lesson Check

Fill in the bubble completely to show your answer.

Question 10.
Julian practices his trombone 30 minutes each day. How many minutes does he practice in 31 days?
(A) 1,200 minutes
(B) 610 minutes
(C) 930 minutes
(D) 630 minutes
Answer: C
Explanation:
Julian practices his trombone 30 minutes each day.
Number of minutes he practice in 31 days
30 x 31
31 x 3 x 10
93 x 10 = 930

Question 11.
There are 50 lollipops in a bag. How many lollipops are there in 12 bags?
(A) 600
(B) 512
(C) 1,100
(D) 520
Answer:
Option(A)
Explanation:
There are 50 lollipops in a bag.
Number of lollipops are there in 12 bags
50 x 12 = 600

Question 12.
A factory makes 80 bicycles a day. How many bicycles do they make in 22 days?
(A) 320
(B) 1,760
(C) 1,660
(D) 844
Answer:
Option(B)
Explanation:
A factory makes 80 bicycles a day.
Number of bicycles they make in 22 days
80 x 22 = 1,760

Practice and Homework Lesson 8.1 Answer Key 4th Grade Question 13.
Mala has 20 vases. She puts 12 flowers in each vase. How many flowers does she use?
(A) 24
(B) 144
(C) 440
(D) 240
Answer:
Option(D)
Mala has 20 vases
She puts 12 flowers in each vase.
Number of flowers she use
20 x 12 = 240

Question 14.
Multi-Step Caroline packs 12 jars of jam in a box. She has 40 boxes. She has 542 jars of jam. How many jars of jam will she have left when all the boxes are full?
(A) 62
(B) 42
(C) 52
(D) 72
Answer:
Option(A)
Explanation:
Caroline packs 12 jars of jam in a box.
She has 40 boxes.
So, 40 x 12 = 480
She packs 480 jar jams in 40 boxes.
She has 542 jars of jam.
Total jars of jam left with her when all the boxes are full.
542 – 480 = 62

Question 15.
Multi-Step Sam is going to make 30 copies of the book of puzzles he wrote. The book has 18 pages. He has 500 sheets of paper. How many more sheets of paper does he need?
(A) 30
(B) 140
(C) 40
(D) 130
Answer:
Option(C)
Explanation:
Sam is going to make 30 copies of the book of puzzles he wrote.
The book has 18 pages.
30 x 18 = 540
He has 500 sheets of paper.
Number of more sheets of paper he needs.
540 – 500 = 40