McGraw Hill Math

Excel in your academics by accessing McGraw Hill Math Grade 3 Answer Key PDF Chapter 5 Lesson 3 Dividing by 4 existing for free of cost.

McGraw-Hill Math Grade 3 Answer Key Chapter 5 Lesson 3 Dividing by 4

Solve

Divide. You can use objects to help.

Question 1.
12 ÷ 4 = 3

Question 2.
8 ÷ 4 = ________
Answer:

Explanation:
8 ÷ 4 = 2
Eight divided by four is two.

Question 3.
28 ÷ 4 = ___
Answer:

Explanation:
28 ÷ 4 = 7
Twenty eight divided by four is seven.

Question 4.

Answer:

Explanation:
36 ÷ 4 = 9
Thirty six  divided by four is nine.

Question 5.

Answer:

Explanation:
4 ÷ 4 = 1
Four divided by four is one.

Question 6.

Answer:

Explanation:
0 ÷ 4 = 0
Zero divided by any number is 0.

Question 7.

Answer:

Explanation:
32 ÷ 4 = 8
Thirty two divided by four is eight.

Question 8.
Tell which numbers are the dividend, divisor, and quotient in Exercise 4.
Dividend: ________ Divisor: ________ Quotient:
Answer:
Dividend: 36
Divisor: 4
Quotient: 9

Explanation:
In exercise 4 the dividend is 36, divisor is 4 and the quotient is 9.

Question 9.
Evan has 16 eggs. He needs 4 eggs to make a batch of muffins. Does he have enough eggs to make 5 batches? Explain.
_____ ÷ ___ = ________ batches
Answer:

Explanation:
Evan has 16 eggs
He needs 4 eggs to make a batch of muffins
5 batches needs 5 x 4 eggs each bag = 20
He need 20 eggs to make 5 batches
16 ÷ 4 = 4 batches
So, Evan does not have enough eggs to make 5 batches of muffins.

Excel in your academics by accessing McGraw Hill Math Grade 3 Answer Key PDF Chapter 5 Lesson 4 Dividing by 5 existing for free of cost.

McGraw-Hill Math Grade 3 Answer Key Chapter 5 Lesson 4 Dividing by 5

Solve

Look at each picture. Find the quotient.

Question 1.

20 ÷ 5 = 4

Question 2.

25 ÷ 5 = ___
Answer:
25 ÷ 5 = 5

Explanation:
There are 25 apples
They are arranged as 5 rows of 5 apples each row
So, 25 ÷ 5 = 5.

Question 3.
0 ÷ 5 = ____
Answer:
0 ÷ 5 = 0

Explanation:
Zero divided by any number is zero
So, 0 ÷ 5 = 0.

Divide. Use repeated subtraction to help.

Question 4.

Answer:
30 ÷ 5 = 6

Explanation:
I subtract 5 from 30 until i reach 0
I subtracted 5 from 30 six times
So, 30 ÷ 5 = 6.

Question 5.

Answer:
5 ÷ 5 = 1

Explanation:
Any number divided by itself is 1
So, 5 ÷ 5 = 1

Question 6.

Answer:
40 ÷ 5 = 8

Explanation:
I subtract 5 from 40 until i reach 0
I subtracted 5 from 40 eight times
So, 40 ÷ 5 = 8.

Question 7.

Answer:
10 ÷ 5 = 2

Explanation:
I subtract 5 from 10 until i reach 0
I subtracted 5 from 10 two times
So, 10 ÷ 5 = 2.

Excel in your academics by accessing McGraw Hill Math Grade 3 Answer Key PDF Chapter 5 Lesson 5 Dividing by 1 existing for free of cost.

McGraw-Hill Math Grade 3 Answer Key Chapter 5 Lesson 5 Dividing by 1

Solve.

Divide.

Question 1.
0 ÷ 1 = 0
Answer:
0 ÷ 1 = 0

Explanation:
Zero divided by any umber is Zero
So, 0 ÷ 1 = 0.

Question 2.
9 ÷ 1 = ___
Answer:
9 ÷ 1 = 9

Explanation:
Any number divided by 1 is the number itself
So, 9 ÷ 1 = 9.

Question 3.
6 ÷ 1 = ___
Answer:
6 ÷ 1 = 6

Explanation:
Any number divided by 1 is the number itself
So, 6 ÷ 1 = 6.

Question 4.
4 ÷ 1 = ___
Answer:

Explanation:
Any number divided by 1 is the number itself
So, 9 ÷ 1 =

Question 5.
1 ÷ 1 = ___
Answer:
1 ÷ 1 = 1

Explanation:
Any number divided by 1 is the number itself
So, 1 ÷ 1 = 1.

Question 6.
5 ÷ 1 = __
Answer:
5 ÷ 1 = 5

Explanation:
Any number divided by 1 is the number itself
So, 5 ÷ 1 = 5.

Question 7.
7 ÷ 1 = __
Answer:
7 ÷ 1 = 7

Explanation:
Any number divided by 1 is the number itself
So, 7 ÷ 1 = 7.

Question 8.
3 ÷ 1 = ___
Answer:
3 ÷ 1 = 3

Explanation:
Any number divided by 1 is the number itself
So, 3 ÷ 1 = 3.

Question 9.

Answer:

Explanation:
Any number divided by 1 is the number itself
So, 7 ÷ 1 = 7.

Question 10.

Answer:

Explanation:
Any number divided by 1 is the number itself
So, 2 ÷ 1 = 2.

Question 11.

Answer:

Explanation:
Any number divided by 1 is the number itself
So, 3 ÷ 1 = 3.

Question 12.

Answer:

Explanation:
Any number divided by 1 is the number itself
So, 8 ÷ 1 = 8.

Read the clues. Find the dividend and divisor.

Question 13.
The difference of the numbers is 8. The quotient is 9.
Dividend: ________ Divisor: ________
Answer:
Dividend: 9
Divisor: 1

Explanation:
The difference of 9 and 1 is 8
If 9 is divided by 1 the quotient is 9
The numbers are 9 and 1
So, the dividend is 9 and the divisor is 1.

Question 14.
The sum of the numbers is 7. The quotient is 6.
Dividend: ________ Divisor: ________
Answer:
Dividend: 6
Divisor: 1

Explanation:
The sum of 6 and 1 is 7
If 6 is divided by 1 the quotient is 6
The numbers are 6 and 1
So, the dividend is 6 and the divisor is 1.

Excel in your academics by accessing McGraw Hill Math Grade 3 Answer Key PDF Chapter 5 Lesson 6 Finding a Missing Factor existing for free of cost.

McGraw-Hill Math Grade 3 Answer Key Chapter 5 Lesson 6 Finding a Missing Factor

Solve

Divide to find the missing factor.

Question 1.
25 ÷ 5 = 5
5 × 5 = 25

Question 2.
3 × ? = 18
___ ÷ ___ = ___
3 × ___ = 18
Answer:
18 ÷ 3 = 6
3 x 6 = 18

Explanation:
Division can help to multiply
3 x ? = 18
The division sentence with the given numbers
18 ÷ 3 = ?
18 ÷ 3 = 6
The quotient is the missing factor
So, 3 x 6 = 18.

Question 3.
2 × ? = 14
___ ÷ ___ = ___
2 × ___ = 14
Answer:
14 ÷ 2 = 7
2 x 7 = 14

Explanation:
Division can help to multiply
2 x ? = 14
The division sentence with the given numbers
14 ÷ 2 = ?
14 ÷ 2 = 7
The quotient is the missing factor
So, 2 x 7 = 14.

Write a multiplication sentence to find the quotient.

Question 4.
15 ÷ 3 = ?
___ × ___ = ___
15 ÷ 3 = ___
Answer:
3 × 5 = 15
15 ÷ 3 = 5

Explanation:
Multiplication can help to divide
15 ÷ 3 = ?
The multiplication equation with the given numbers
3 x ? = 15
3 x 5 = 15
So, 15 ÷ 3 = 5.

Question 5.
32 ÷ 4 = ?
___ × ___ = ___
32 ÷ 4 = ___
Answer:
4 × 8 = 32
32 ÷ 4 = 8

Explanation:
Multiplication can help to divide
32 ÷ 4 = ?
The multiplication equation with the given numbers
4 x ? = 32
3 x 8 = 32
So, 32 ÷ 4 = 8.

Question 6.
35 ÷ 5 = ?
___ × ___ = ___
35 ÷ 5 = ___
Answer:
5 × 7 = 35
35 ÷ 5 = 7

Explanation:
Multiplication can help to divide
35 ÷ 5 = ?
The multiplication equation with the given numbers
5 x ? = 35
5 x 7 = 35
So, 35 ÷ 5 = 7.

Question 7.
For healthy eating, children should eat 1 cup of fruit each day. Lidia eats 7 cups of fruit in 1 week. She eats the same amount of fruit each day. Does she eat enough fruit? Write a division sentence and a multiplication sentence to find the answer.
Answer:
7 ÷ 1 = 7
7 x 1 = 7

Explanation:
For healthy eating, children should eat 1 cup of fruit each day
Lidia eats 7 cups of fruit in 1 week
She eats the same amount of fruit each day
A week has 7 days
The multiplication equation to find the answer is
1 x 7 = 7
The division equation to find the answer is
7 ÷ 1 = 7
Yes, she ate 1 cup of fruit each day and that is enough for healthy eating.

Excel in your academics by accessing McGraw Hill Math Grade 3 Answer Key PDF Chapter 5 Lesson 7 Fact Families existing for free of cost.

McGraw-Hill Math Grade 3 Answer Key Chapter 5 Lesson 7 Fact Families

Solve

Complete the fact family.

Question 1.
2 × 9 = 18
___ × 9 = 18
____ ÷ 9 = 2
18 ÷ 2 = ___
Answer:
2 x 9 = 18
9 x 2 = 18
18 ÷ 9 = 2
18 ÷ 2 = 9

Explanation:
Some multiplication and division sentences use the same numbers.
They make up a fact family
I wrote the fact family for the numbers 2, 9 and 18.

Question 2.
___ × 8 = 24
8 × 3 = ___
24 ÷ ___ = 8
24 ÷ ___ = 3
Answer:
3 × 8 = 24
8 × 3 = 24
24 ÷ 3 = 8
24 ÷ 8 = 3

Explanation:
Some multiplication and division sentences use the same numbers.
They make up a fact family
I wrote the fact family for the numbers 3, 8 and 24.

Question 3.
5 × 8 = ____
8 × ___ = 40
____ ÷ 5 = 8
40 ÷ ___ = 5
Answer:
5 × 8 = 40
8 × 5 = 40
40 ÷ 5 = 8
40 ÷8 = 5

Explanation:
Some multiplication and division sentences use the same numbers.
They make up a fact family
I wrote the fact family for the numbers 5, 8 and 40.

Question 4.
Write the fact family that uses 9, 1, and 9.
____ × ____ = ___
____ × ____ = ___
____ ÷ ____ = ___
____ ÷ ____ = ___
Answer:
9 × 1 = 9
1 × 9 = 9
9 ÷ 1 = 9
9 ÷ 9 = 1

Explanation:
Some multiplication and division sentences use the same numbers.
They make up a fact family
I wrote the fact family for the numbers 9, 1 and 9.

Question 5.
Kate has 16 balloons. She gives 2 friends an equal number of balloons. How many balloons does she give to each friend? ________
If she shares the balloons with 8 friends, how many balloons does she give each friend? _______
Answer:
16 ÷ 2 = 8
8 balloons for 2 friends each
16 ÷ 8 = 2
2 balloons for 8 friends each

Explanation:
Kate has 16 balloons
She gives 2 friends an equal number of balloons
Divide 16 with 2
16 ÷ 2 = 8
She gives 8 balloons to each of 2 friends
If she shares the balloons with 8 friends
Divide 16 with 8
16 ÷ 8 = 2
She gives 2 balloons to each of 8 friends.

Excel in your academics by accessing McGraw Hill Math Grade 3 Answer Key PDF Chapter 5 Lesson 8 Dividing by 1 – 5 existing for free of cost.

McGraw-Hill Math Grade 3 Answer Key Chapter 5 Lesson 8 Dividing by 1 – 5

Solve.

Divide.

Question 1.
36 ÷ 4 = __
Answer:

Explanation:
36 ÷ 4 = 9
Thirty six divided by four is nine.

Question 2.
6 ÷ 3 = ___
Answer:

Explanation:
6 ÷ 3 = 2
Six divided by three is two.

Question 3.
15 ÷ 5 = ___
Answer:
15 ÷ 5 = 3

Explanation:
I subtract 5 from 15 until i reach 0
I subtracted 5 from 15 three times
So, 15 ÷ 5 = 3.

Question 4.
14 ÷ 2 = __
Answer:
14 ÷ 2 = 7

Explanation:
I subtract 2 from 14 until i reach 0
I subtracted 2 from 14 seven times
So, 14 ÷ 2 = 7.

Question 5.

Answer:
5 ÷ 1 = 5

Explanation:
Any number divided by 1 is the number itself
So, 5 ÷ 1 = 5.

Question 6.

Answer:

Explanation:
28 ÷ 4 = 7
Twenty eight divided by four is seven.

Question 7.

Answer:
30 ÷ 5 = 6

Explanation:
I subtract 5 from 30 until i reach 0
I subtracted 5 from 30 six times
So, 30 ÷ 5 = 6.

Question 8.

Answer:

Explanation:
27 ÷ 3 = 9
Twenty seven divided by three is 9.

Question 9.
Children in elementary school need about 10 hours of sleep every night. Noah slept 40 hours in 5 nights. He slept the same number of hours each night. How many hours did he sleep each night? Did he get enough sleep?
Answer:
40 ÷ 5 = 8

Explanation:
I subtract 5 from 40 until i reach 0
I subtracted 5 from 40 eight times
So, 40 ÷ 5 = 8.

Excel in your academics by accessing McGraw Hill Math Grade 3 Answer Key PDF Chapter 6 Lesson 8 Multiplying by Breaking Apart existing for free of cost.

McGraw-Hill Math Grade 3 Answer Key Chapter 6 Lesson 8 Multiplying by Breaking Apart

Solve

Write the missing numbers. Find each product.

Question 1.
9 × 9 = 9 × (5 + 4)
9 × 9 = (9 × 5) + (9 × 4)
9 × 9 = 45 + 36
9 × 9 = 81

Question 2.
3 × 4 = 3 × (3 + 1)
3 × 4 = (___ × ___) + (3 × 1)
3 × 4 = ___ + ___
3 × 4 = ____
Answer:
3 x 4 = 12

Explanation:
3 × 4 = 3 × (3 + 1)
3 × 4 = (3 × 3) + (3 × 1)
3 × 4 = 9 + 3
So, 3 × 4 = 12

Question 3.
5 × 8 = 5 × (2 + 6)
5 × 8 = (___ × ___) + (___ × ____)
5 × 8 = ___ + ___
5 × 8 = ____
Answer:
5 x 8 = 40

Explanation:
5 × 8 = 5 × (2 + 6)
5 × 8 = (5 × 2) + (5 × 6)
5 × 8 = 10 + 30
So, 5 × 8 = 40

Question 4.
Taylor says 4 + 4 is the only way to break apart 8. Is she correct? If not, write three more ways.
Answer:
No, we have some more ways to break apart 8 other than 4 + 4

Explanation:
The other ways to break apart 8 are
8 = 1 + 7
8 = 2 + 6
8 = 5 + 3.

Excel in your academics by accessing McGraw Hill Math Grade 3 Answer Key PDF Chapter 6 Lesson 7 Grouping Numbers to Multiply existing for free of cost.

McGraw-Hill Math Grade 3 Answer Key Chapter 6 Lesson 7 Grouping Numbers to Multiply

Solve

Use ( ) to group the factors in two different ways. Find each product.

Question 1.
2 × 1 × 6 = (2 × 1); 12
2 × 1 × 6 = (1 × 6); 12

Question 2.
5 × 2 × 4 = ____
5 × 2 × 4 = ___
Answer:
5 × 2 × 4 = (5 x 2); 40
5 × 2 × 4 = (2 x 4); 40

Explanation:
One way:
5 x 2 x 4
= (5 x 2) x 4
= 10 x 4
= 40

Other way:
5 x 2 x 4
= 5 x  (4 x 2)
= 5 x 8
= 40
So, 5 x 2 x 4 = 40.

Question 3.
1 × 7 × 6 = ___
1 × 7 × 6 = ___
Answer:
1 x 7 x 6 = (1 x 7); 42
1 x 7 x 6 = (7 x 6); 42

Explanation:
One way:
1 x 7 x 6
= (1 x 7) x 6
= 7 x 6 = 42
Other way:
1 x 7 x 6
= 1 x (7 x 6)
= 1 x 42 = 42
So, 1 x 7 x 6 = 42.

Write the missing factor.

Question 4.
(5 × 1) × 8 = __ × (1 × 8)
Answer:
(5 × 1) × 8 = 5 × (1 × 8)

Explanation:
I does not matter how we group the factors, the products will be same
If the products will be same the numbers will be same
So, the missing factor is 5.

Question 5.
3 × (3 × 1) = (3 × ___) × 1
Answer:
3 × (3 × 1) = (3 × 3) × 1

Explanation:
I does not matter how we group the factors, the products will be the same
If the products will be the same the numbers will be the same
So, the missing factor is 3.

Question 6.
(2 × 2) × 4 = 2 × (2 × ___)
Answer:
(2 × 2) × 4 = 2 × (2 × 4)

Explanation:
It does not matter how we group the factors, the products will be the same
If the products will be the same the numbers will be the same
So, the missing factor is 4.

Question 7.
An octopus has 4 pairs of arms. How many arms do 3 octopuses have? Write a multiplication sentence with three factors using ( ). Then solve.
Answer:
(4 x 2) x 3 = 24

Explanation:
An octopus has 4 pairs of arms, that is 4 x 2
3 octopuses will have
The multiplication sentence with three factors using ( ) is (4 x 2) x 3
Solve:
(4 x 2) x 3
= 8 x 3
= 24
So, 3 octopuses will have 24 arms.

Excel in your academics by accessing McGraw Hill Math Grade 3 Answer Key PDF Chapter 6 Lesson 6 Multiplying by Multiples of 10 existing for free of cost.

McGraw-Hill Math Grade 3 Answer Key Chapter 6 Lesson 6 Multiplying by Multiples of 10

Solve

Multiply. Draw pictures or use objects if you need help.

Question 1.
9 × 10 = 90

Question 2.
5 × 50 = ___
Answer:

Explanation:
5 x 50 = 5 groups of 5 tens
5 groups of 5 tens = 25 tens
15 tens = 250
So, 5 x 50 = 250.

Question 3.
8 × 30 = ___
Answer:

Explanation:
8 x 30 = 8 groups of 3 tens
8 groups of 3 tens = 24 tens
24 tens = 240
So, 8 x 30 = 240.

Question 4.
2 × 40 = ___
Answer:

Explanation:
2 x 40 = 2 groups of 4 tens
2 groups of 4 tens = 12 tens
12 tens = 120
So, 3 x 40 = 120.

Question 5.
7 × 60 = ___
Answer:

Explanation:
7 x 60 = 7 groups of 6 tens
7 groups of 6 tens = 42 tens
42 tens  = 420
So, 7 x 60 = 420.

Question 6.
1 × 90 = ___
Answer:

Explanation:
1 x 90 = 1 group of 9 tens
1 group of 9 tens = 9 tens
9 tens = 90
So, 1 x 90 = 90.

Question 7.
6 × 20 = ___
Answer:

Explanation:
6 x 20 = 6 groups of 2 tens
6 groups of 2 tens = 12 tens
12 tens = 120
So, 6 x 20 = 120.

Question 8.
0 × 80 = ___
Answer:
0 x 80 = 0

Explanation:
The product of any number with 0 is 0
So, 0 x 80 = 0.

Question 9.
6 × 40 = ___
Answer:

Explanation:
6 x 40 = 6 groups of 4 tens
6 groups of 4 tens = 24 tens
24 tens = 240
So, 6 x 40 = 240.

Question 10.
Most people eat about 3 pounds of food every day. How many pounds of food would 70 people eat in one day?
Answer:

Explanation:
Most people eat about 3 pounds of food every day
To find the number of pounds of food 70 people eat in one day
Multiply 3 with 70
3 x 70 = 3 groups of 7 tens
3 groups of 7 tens = 21 tens
21 tens = 210
3 x 70 = 210
So, 70 people would eat 210 pounds of food in one day.

Excel in your academics by accessing McGraw Hill Math Grade 3 Answer Key PDF Chapter 6 Lesson 5 Multiplying by 10 existing for free of cost.

McGraw-Hill Math Grade 3 Answer Key Chapter 6 Lesson 5 Multiplying by 10

Multiply.

Question 1.
3 × 10 = 30

Question 2.
10 × 10 = ___
Answer:
10 x 10 = 100

Explanation:
Follow a pattern to multiply by 10
10 x 10 =
The tens digit of the product is the factor that i multiply by 10
The factor i multiplied by 10 is 10
10 x 10 = 10_
Write a 0 in the ones place
10 x 10 = 100.

Question 3.
1 × 10 = ___
Answer:
1 x 10 = 10

Explanation:
The product of any number by 1 is the number itself
So, the product of 1 and 10 is 10
So, 1 x 10 = 10.

Question 4.
4 × 10 = ___
Answer:
4 x 10 = 40

Explanation:
Follow a pattern to multiply by 10
4 x 10 =
The tens digit of the product is the factor that i multiply by 10
The factor i multiplied by 10 is 4
4 x 10 = 4_
Write a 0 in the ones place
4 x 10 = 40.

Question 5.

Answer:

Explanation:
Follow a pattern to multiply by 10
8 x 10 =
The tens digit of the product is the factor that i multiply by 10
The factor i multiplied by 10 is 8
8 x 10 = 8_
Write a 0 in the ones place
8 x 10 = 80.

Question 6.

Answer:

Explanation:
The product of any number by 0 is 0
So, 0 x 10 = 0.

Question 7.

Answer:

Explanation:
Follow a pattern to multiply by 10
2 x 10 =
The tens digit of the product is the factor that i multiply by 10
The factor i multiplied by 10 is 2
2 x 10 = 2_
Write a 0 in the ones place
2 x 10 = 20.

Question 8.

Answer:

Explanation:
Follow a pattern to multiply by 10
9 x 10 =
The tens digit of the product is the factor that i multiply by 10
The factor i multiplied by 10 is 9
9 x 10 = 9_
Write a 0 in the ones place
9 x 10 = 90.

Question 9.
Carmen has 6 dimes. How many cents does she have? ____
Answer:
60 cents

Explanation:
Carmen has 6 dimes
The value of each dime is 10 cents
To find the value of 6 dimes multiply 6 with 10
Follow a pattern to multiply by 10
6 x 10 =
The tens digit of the product is the factor that i multiply by 10
The factor i multiplied by 10 is 6
6 x 10 = 6_
Write a 0 in the ones place
6 x 10 = 60
So, Carmen have 60 cents.