Prasanna

Refer to our Texas Go Math Grade 1 Answer Key Pdf to score good marks in the exams. Test yourself by practicing the problems from Texas Go Math Grade 1 Lesson 6.2 Answer Key Add Doubles.

Texas Go Math Grade 1 Lesson 6.2 Answer Key Add Doubles

Essential Question
What are doubles facts?
Explanation:
Double Facts are additions in which a number is added to itself. For example, 1 + 1, 2 + 2 etc. Internalizing double facts are helpful building blocks in developing fluency in adding single digit numbers.

Explore
Use Draw  to solve. Write the addition sentence.

___ + __ = ___
Answer:
4 + 4 = 8
Sal used 8 to build the tower

For The Teacher

• Read the following problem. Sal built two towers. Each tower has 4 cubes. How many cubes does Sal use to build both towers?
  Explanation:
  4 + 4 = 8
  

Math Talk
Mathematical Processes
Describe how your model shows a doubles fact.
Explanation:
Double Facts are additions in which a number is added to itself.
For example, 1 + 1, 2 + 2 etc.

Model and Draw

Why are these doubles facts?

Explanation:

Explanation:
The number is added to itself is called double fact
so, the above examples are double fact

Share and Show

Use Draw to show your work. Write the sum.

Question 1.

Answer:

Explanation:
With the help of Blocks
Written the sum of double facts

Question 2.

Answer:

Explanation:
With the help of Blocks
Written the sum of double facts
4 + 4 = 8

Question 3.

Answer:

Explanation:
With the help of Blocks
Written the sum of double facts
5 + 5 = 10

Question 4.

Answer:

Explanation:
With the help of Blocks
Written the sum of double facts
6 + 6 = 12

Problem Solving

Use Draw to show your work.

Write the sum.

Question 5.

Answer:

Explanation:
With the help of Blocks
Written the sum of double facts
7 + 7 = 14

Question 6.

Answer:

Explanation:
With the help of Blocks
Written the sum of double facts
8 + 8 = 16

Write a doubles fact to solve.

Question 7.
H.O.T. There are 18 people at the party. Some are boys and some are girls. The number of boys is the same as the number of girls.
___ = __ + ___

Answer:
9 + 9 = 18
Explanation:
There are 18 people at the party.
Some are boys and some are girls.
8 boys and 8 girls
The number of boys is the same as the number of girls.

Question 8.
H.O.T. Multi-Step Mike got 1 point in the first game and 1 point in the second game. Emily got 10 points in the first game and 10 points in the second game. How many points did each child get?
Mike
___ + ___ = ___ points
Emily
___ + ___ = ___ points
Compare the number of points.
____ ____
Answer:

Explanation:
Mike
1 + 1 = 2 points
Emily
10 + 10 = 20 points
Mike got 2 and Emily got 20

Daily Assessment Task

Choose the correct answer.

Question 9.
There are 5 friends standing by the flag. There are 5 friends running up the How many friends are there?
(A) 10
(B) 9
(C) 8

Answer: A
Explanation:
5 + 5 = 10
The number which is added to itself is called a double fact
there are 10 friends.

Question 10.
Julian has 4 red cups. He has 4 blue cups. How many cups does Julian have?
(A) 7
(B) 8
(C) 9
Answer: B
Explanation:
The number which is added to itself is called a double fact
4 + 4 = 8
8 cups that Julian have

Question 11.
Reasoning Which doubles fact shows how many fish in all?
(A) 2 + 2 = 4
(B) 6 + 6 = 12
(C) 3 + 3 = 6

Answer: C
Explanation:
The number which is added to itself is called a double fact
3 + 3 = 6

Question 12.
Texas Test Prep Which is a doubles fact?

Answer:

Explanation:
The number which is added to itself is called a double fact
so, 5 + 5 = 10 is a double fact.

Take Home Activity

• Have your child choose o number from 1 to 10, and use that number in a doubles fact. Repeat with other numbers.
  Explanation:
  Choose the number from 1 to 10
  that is 5
  5 + 5 = 10

Texas Go Math Grade 1 Lesson 6.2 Homework and Practice Answer Key

Draw to solve. Write the sum.

Question 1.

Answer:

Explanation:
With the help of Blocks
Written the sum of double facts
The number which is added to itself is called a double fact
5 + 5 = 10

Question 2.

Answer:

Explanation:
With the help of Blocks
Written the sum of double facts
The number which is added to itself is called a double fact
9 + 9 = 18

Question 3.
Clara has 7 big fish. She has 7 small fish. Write the doubles fact that shows how many fish Clara has in all.

___ + ___ = ____
Answer:
7 + 7 = 14
Explanation:
The number which is added to itself is called a double fact
14 fish Clara has in all

Question 4.
The room has 2 big windows. It also has 2 small windows. How many windows are there?
___ + ___ = ____
Answer:
2 + 2 = 4
Explanation:
4 windows are there in all
The number which is added to itself is called a double fact

Problem Solving

Write a doubles fact to solve.

Question 5.
There are 16 animals in the yard. Some are cats and some are dogs. The number of cats is the same as the number of dogs.

Answer:
8 + 8 = 16
Explanation:
cats are 8 and dogs are 8
so, 8 + 8 = 16

Texas Test Prep

Choose the correct answer.

Question 6.
There are 6 flowers in the front yard. There are 6 flowers in the back yard. How many flowers are there?
(A) 12
(B) 10
(C) 6
Answer: A
Explanation
The number which is added to itself is called a double fact
6 + 6 = 12
12 flowers are there

Question 7.
Which doubles fact shows how many eggs in all?
(A) 6 + 6 = 12
(B) 4 + 4 = 8
(C) 3 + 3 = 6

Answer: C
Explanation:
The number which is added to itself is called a double fact
3 eggs arranged in 2 rows
3 + 3 = 6

Question 8.
Multi-Step Jan saved 4 pennies the first day and 4 pennies the second day. Clint saved 6 pennies the first day and 6 pennies the second day. Which statement compares the total number of pennies each child saved?
(A) 5 < 6 (B) 11 > 4
(C) 8 < 12
Answer: C
Explanation:
4 + 4 = 8
6 + 6 = 12
8 < 12 statement compares the total number of pennies each child saved

Question 9.
Which is a doubles fact?

Answer:

Explanation:
The number which is added to itself is called a double fact
6 + 6 = 12

Refer to our Texas Go Math Grade 1 Answer Key Pdf to score good marks in the exams. Test yourself by practicing the problems from Texas Go Math Grade 1 Lesson 6.3 Answer Key Use Doubles to Add.

Texas Go Math Grade 1 Lesson 6.3 Answer Key Use Doubles to Add

Essential Question
How can you use doubles to help you add?
Explanation:
To get a double of a number,
we add the same number to itself.
For example, double of 2 is 2 + 2 = 4.

Explore
Draw to show the problem.
Write the number of fish.

Lesson Check

For The Teacher

• Read the following problem. There are 3 orange fish, 3 striped fish, and 1 white fish in the class fish tank. How many fish are in the fish tank?
  Answer:
  

Explanation:
There are 3 orange fish, 3 striped fish,
3 + 3 = 1
and 1 white fish in the class fish tank.
6 + 1 = 7
7 fish are in the fish tank
Math Talk
Mathematical Processes
How does knowing 3 + 3 help you solve the problem? Explain.
Explanation:
3 + 3 is known as a double fact
A number is added to itself is called a double fact

Model and Draw
How can a doubles fact help you solve 6 + 7?

Explanation:

Explanation:
6 + 7
is made as double plus one
6 + 6 + 1 = 13

Share and Show

Use to model. Make doubles. Add.

Question 1.

Answer:

Explanation:
9 + 8
is made as double plus one
8 + 8 + 1 = 9

Question 2.

Answer:

Explanation:
5 + 6
is made as double plus one
5 + 5 + 1 = 11

Problem Solving
Use Make doubles. Add.

Question 3.

Answer:

Explanation:
7 + 8
is made as double plus one
7 + 7 + 1 = 15

Question 4.

Answer:

Explanation:
5 + 4
is made as double plus one
4 + 4 + 1 = 9

Question 5.
Multi-Step Mandy has the same number of red and yellow leaves. Then she finds 1 more yellow leaf. There are 17 leaves in all. How many leaves are red? How many leaves are yellow?
_____ red leaves _____ yellow leaves
Answer:
8 red leaves 9 yellow leaves
Explanation:
Total leaves are 17
8 +8 + 1 = 17
Double plus one
so, red leaves are 8 and yellow leaves are 8
added one more yellow leave
8 + 1 = 9

H.O.T. Multi-Step Would you use count on or doubles to solve? Explain.

Question 6.
3 + 4

Answer:

Explanation:
3 + 4 is derived as double plus one
3 + 3 + 1  7

Question 7.
3 + 9

Answer:

Explanation:
3 + 9 = 12
started from greater number 9 and counted on

Daily Assessment Task

Choose the correct answer.

Question 8.
Leo walks in the park. He sees 3 dogs. He sees 3 cats. He sees 1 squirrel. How many animals does Leo see?

(A) 3
(B) 7
(C) 6
Answer: B
Explanation:
Leo walks in the park.
He sees 3 dogs. He sees 3 cats.
3 + 3 = 6
He sees 1 squirrel.
6 + 1 = 7
7 animals that Leo see

Question 9.
Analyze There are 7 birds in a tree. 8 more birds fly over. Which has the same sum as 7 + 8?

(A) 7 + 7 + 1
(B) 8 + 8 + 1
(C) 7 + 7 + 2
Answer: A
Explanation:
There are 7 birds in a tree. 8 more birds fly over.
7 + 7 + 1 = 15
Which has the same sum as 7 + 8
7 + 8 = 15

Question 10.
Multi-Step There are 5 white houses. There are 5 yellow houses. There is 1 brown house. How many houses
are there?
(A) 10
(B) 15
(C) 11

Answer: C
Explanation:
There are 5 white houses. There are 5 yellow houses.
5 + 5 = 10
There is 1 brown house.
10 + 1 = 11
11 houses are there

Question 11.
Texas Test Prep Which has the same sum as 9 + 8?
(A) 6 + 6 + 2
(B) 1 + 8 + 8
(C) 2 + 8 + 8
Answer: B
Explanation:
1 + 8 + 8 =17
9 + 9 = 17
Both the sums are same.

Take Home Activity

• Ask your child to show you how to use what he or she knows about doubles to help solve 6 + 5.

Texas Go Math Grade 1 Lesson 6.3 Homework and Practice Answer Key

Make doubles. Add.

Question 1.

Answer:

Explanation:
6 + 7
is made as double plus one
6 + 6 + 1 = 13

Question 2.

Answer:

Explanation:
4 + 5
is made as double plus one
4 + 4 + 1 = 5

Problem Solving

Make doubles. Show how you find the sum.

Question 3.
There are 4 ants on the step. 5 more ants join them. How many ants are on the step?
___ + ____ + ____ = ____ ants
Answer:
4 + 4 + 1 = 9
Explanation:
4 + 5 is changed as double plus one.

Texas Test Prep

Lesson Check

Choose the correct answer.

Question 4.
Toby finds 6 red pencils and 6 blue pencils. Then he finds 1 yellow pencil How many pencils does Toby find?
(A) 12
(B) 13
(C) 7
Answer: B
Explanation:
Toby finds 6 red pencils and 6 blue pencils.
6 + 6 = 12
Then he finds 1 yellow pencil
12 + 1 = 13
13  pencils that Toby find

Question 5.
There are 8 fish in a pond. 9 more fish swim by. Which has the same sum as 8 + 9?

(A) 8 + 8 + 1
(B) 9 + 9 + 1
(C) 8 + 8 + 2
Answer: A
Explanation:
There are 8 fish in a pond. 9 more fish swim by.
Which has the same sum as 8 + 9
is 8 + 8 + 1 = 17

Question 6.
Multi-Step George has the same number of black shirts as white shirts. Then he gets 1 more white shirt. He has 9 shirts in all. How many shirts are white?
(A) 10
(B) 4
(C) 5
Answer: C
Explanation:
Total shirts are 9
9 is changed as Double plus 1
4 + 4 + 1
White and black shirts are equal
so, 4 each
1 white shirt more
4 + 1 = 5

Question 7.
Which has the same sum as 5 + 6?
(A) 5 + 5 + 1
(B) 6 + 6 + 0
(C) 5 + 6 + 1
Answer: A
Explanation:
5 + 5 + 1 = 11
5 + 6 = 11
double plus one.

Refer to our Texas Go Math Grade 1 Answer Key Pdf to score good marks in the exams. Test yourself by practicing the problems from Texas Go Math Grade 1 Lesson 4.2 Answer Key Model Adding To.

Texas Go Math Grade 1 Lesson 4.2 Answer Key Model Adding To

Essential Question
How can you model odding to, or joining to, a group?
Explanation:
With the help of blocks we can add
Joined the cubes for addition

Explore
Use to show adding to, or joining.
Draw to show your work.

For The Teacher

• Read the following problem. Have children use connecting cubes to model the problem, and draw to show their work. There are 6 children on the playground. 2 more children join them. How many children are on the playground?
  Explanation:
  
  6 + 2 = 8
  8 children are on the playground

Math Talk
Mathematical Processes
Explain how you use cubes to find your answer.
Explanation:
Joined the cubes for addition

Model and Draw

Explanation:
5 + 2 = 7
The sum of 5 and 2 is 7

Share and Show

Use to show adding to, or joining. Draw the . Write the sum.

Question 1.
3 cats and 1 more cat

3 + 1 = ___
Answer:

Explanation:
The sum of 3 and 1 is 4
3 + 1 = 4

Question 2.
2 birds and 3 more birds

2 + 3 = __
Answer:

Explanation:
The sum of 2 and 3 is 5
2 + 3 = 5

Question 3.
4 bugs and 4 more bugs

4 + 4 = ___
Answer:

Explanation:
The sum of 4 and 4 is 8
4 + 4 = 8

Question 4.
4 fish and 2 more fish

4 + 2 = ___
Answer:

Explanation:
The sum of 4 and 2 is 6
4 + 2 = 6

Problem Solving

Use to show adding to, or joining. Draw the Write the sum.

Question 5.
5 bees and 4 more bees

5 + 4 = ___
Answer:

Explanation:
The sum of 5 and 4 is 9
5 + 4 = 9

Question 6.
4 dogs and 3 more dogs
4 + 3 = ___
Answer:

Explanation:
The sum of 4 and 3 is 7
4 + 3 = 7

Write or draw to solve.

Question 7.
Molly puts 3 grapes in the bowl. Then she puts 5 more grapes in the bowl. How many grapes are in the bowl?

____ grapes
Answer: 8 grapes
Explanation:
3 +5 = 8
8 grapes are in the bowl

Question 8.
H.O.T. Multi-Step Julia has 4 books on the table. She puts 1 more book on the table. Then she puts 2 more BSra books on the table. How many books are on the table?

____ books
Answer:  7 books
Explanation:
4 + 1 + 2 = 7
7 books on the table

Question 9.
Chase sees 4 frogs. 2 frogs are green. 2 frogs are brown. Then he sees 1 more brown frog. How many brown frogs does he see?

___ brown frogs
Answer: 3 brown frogs
Explanation:
2 + 1 = 3
3 brown frogs that he see

Daily Assessment Task

Choose the correct answer.

Question 10.
There are 6 zebras eating grass. Then 3 more zebras join them. How many zebras are eating grass?
(A) 8
(B) 9
(C) 10
Answer: B
Explanation:
6 + 3 = 9
9 zebras are eating grass

Question 11.
Use Tools Which number sentence does the picture show?

(A) 3 + 1 = 4
(B) 3 + 5 = 8
(C) 5 + 5 = 10
Answer: B
Explanation:
3 + 5 = 8
is the sentence that the picture show

Question 12.
Annie picks 5 flowers. Then she picks 2 more. How many flowers does Annie have?
(A) 7
(B) 9
(C) 8

Answer: A
Explanation:
5 + 2 = 7
7 flowers that Annie have

Question 13.
Texas Test Prep Use to show adding to, or joining. What is the sum of 4 and 3?
(A) 1
(B) 7
(C) 6
Answer: B
Explanation:
4 + 3 = 7
the sum of 4 and 3 is 7

Take Home Activity

• Put 3 pennies in one group and 2 pennies in another group. Have your child write an addition sentence to tell about the pennies. Repeat for other combinations of pennies with sums up to 10.

Texas Go Math Grade 1 Lesson 4.2 Homework and Practice Answer Key

Use to show adding to. Draw the . Write the sum.

Question 1.
1 monkey and 5 more monkeys

1 + 5 = ___
Answer:

Explanation:
The sum of 1 and 5 is 6
1 + 5 = 6

Question 2.
3 camels and 6 more camels

3 + 6 = ___
Answer:

Explanation:
The sum of 3 and 6 is 9
3 + 6 = 9

Problem Solving

Write or draw to solve.

Question 3.
Kevin throws the ball to his dog 4 times. Then he throws the ball 4 more times. How many times does he throw the ball?
___ times
Answer: 8 times
Explanation:
4 + 4 = 8
8 times that  he throw the ball

Question 4.
Multi-Step Emily buys 5 shirts. 2 are pink. 3 are blue. Then she buys 2 more shirts. They are red. How many shirts does she buy?
___ shirts
Answer: 7 shirts
Explanation:
5 + 2 = 7 shirts she buy

Lesson Check

Texas Test Prep

Choose the correct answer.

Question 5.
There are 8 children reading. Then I more child joins them. How many children are reading?
(A) 7
(B) 10
(C) 9
Answer: C
Explanation:
8 + 1 = 9
9 children are reading

Question 6.
Which number sentence does the picture show?

(A) 4 + 3 = 7
(B) 4 + 2 = 6
(C) 4 + 5 = 9
Answer: B
Explanation:
4 + 2 = 6
Is the number sentence that the picture show

Question 7.
What is the sum of 3 and 6?
(A) 3
(B) 9
(C) 8
Answer: B
Explanation:
the sum of 3 and 6 is 9

Question 8.
Multi-Step Evan has 5 video games. His brother gives him 2 games. Then he buys 1 more game. How many games does Evan have?
(A) 8
(B) 2
(C) 7
Answer: A
Explanation:
5 + 2 + 1 = 8
8 games that Evan have

Refer to our Texas Go Math Grade 1 Answer Key Pdf to score good marks in the exams. Test yourself by practicing the problems from Texas Go Math Grade 1 Lesson 3.1 Answer Key Add 10 and More.

Texas Go Math Grade 1 Lesson 3.1 Answer Key Add 10 and More

Essential Question
How can you use a ten frame to add 10 and some more?
Explanation:
10 + 1 = 1

Explore
What is 10 + 5? Uses and the ten frame. Model and draw to solve.

Explanation:

For The Teacher

• Read the following problem. All has 10 red apples in a bag. She has 5 yellow apples next to the bag. How many apples does Ali have?
  Explanation:
  10 red apples in a bag.
  5 yellow apples next to the bag.
  10 + 5 = 15

Math Talk
Mathematical Processes
Explain how your model shows 10 + 5.
Explanation:
used Ten frame model for adding tens and ones.

Model and Draw

You can use a ten frame to add 10 + 6.

Model and counters. Draw and color the counters to show 10 red. Draw and color the counters to show 6 yellow.
Explanation:

Answer:
10 red
and 6 yellow
10 + 6 = 16

Share and Show

Model and draw to show 10. Model and draw to show the other addend. Write the sum.

Question 1.

Answer:

Explanation:
Addition of tens and ones by 10 frame
10 + 3 = 13

Question 2.

Answer:

Explanation:
Addition of tens and ones by 10 frame
10 + 5 = 15

Question 3.

Answer:

Explanation:
Addition of tens and ones by 10 frame
10 + 1 = 11

Question 4.

Answer:

Explanation:
Addition of tens and ones by 10 frame
10 + 2 = 12

Question 5.

Answer:

Explanation:
Addition of tens and ones by 10 frame
10 + 4 = 14

Question 6.

Answer:

Explanation:
Addition of tens and ones by 10 frame
10 + 7 = 17

Problem Solving

Model and draw to show 10. Model and draw to show the other addend. Write the sum.

Question 7.

Answer:

Explanation:
Addition of tens and ones by 10 frame
10 + 6 = 16

Question 8.

Answer:

Explanation:
Addition of tens and ones by 10 frame
10 + 9 = 19

Model and draw to solve. Write the addition sentence.

Question 9.
H.O.T. Marina has 10 crayons. She gets 7 more crayons. How many crayons does she have now?


___ + ___ = ___
Answer:
10 + 7 = 17
Explanation:

Question 10.
H.O.T. Multi-Step Austin has 10 markers. Sarah has 3 blue markers and 3 green markers. How many markers do they have?


___ + ___ = ___
Answer:
3 + 3 = 6
10 + 6 = 16
Explanation:

Daily Assessment Task

Choose the correct answer.

Question 11.
Use Tools Sara knocked down 10 bowling pins. Then she knocked down 7 more. Which shows 10 + 7?

Answer:

Explanation:
10 + 7 = 17
Total Sara knocked down 17 bowling pins.

Question 12.
Sara’s best friend bowls two times. He knocks down 10 bowling pins the first time. He knocks down 6 bowling
pins the next time. How many bowling pins does he knock down in all?
10 + 6 = ?
(A) 16
(B) 61
(C) 7

Answer: A
Explanation:
16 bowling pins that he knock down in all
10 + 6 = 16

Question 13.
Texas Test Prep What number sentence does this model show?

(A) 10 – 2 = 8
(B) 10 + 2 = 12
(C) 5 + 2 = 7
Answer: B
Explanation:
The above ten frame shows
10 + 2 = 12

Take Home Activity

• Have your child choose a number between 1 and 10, and then find the sum of 10 and that number. Repeat using other numbers.

Texas Go Math Grade 1 Lesson 3.1 Homework and Practice Answer Key

Choose the correct answer.

Draw to show 10. Draw to show the other addend. Write the sum.

Question 1.

Answer:

Explanation:
Addition of tens and ones by 10 frame
10 + 4 = 14

Question 2.

Answer:

Explanation:
Addition of tens and ones by 10 frame
10 + 2 = 17

Problem Solving

Draw to solve. Write the addition sentence.

Question 3.
Sammy picks 10 apples. Sean picks 8 apples. How many apples do they pick?
___ + ____ = ____

Answer:
10 + 8 = 18
Explanation:
They picked 18 apples

Question 4.
Multi-Step Susan has 10 pears. Alex has 2 plums and 2 peaches. How many pieces of fruit do they have?
___ + ___ = ____

Answer:
10 + 2 + 2 = 14
Explanation:

14 pieces of fruit do they have

Texas Test Prep

Lesson Check

Choose the correct answer.

Question 5.
Kayla plants 10 flowers. Then she plants 9 more. Which shows 10 + 9?

Answer:

Explanation:
The ten frame shows
10 + 9 = 19
The red dots show full ten frame
9 yellow show extra.

Question 6.
Multi-Step Renee plants 10 yellow flowers. Her friend Ana plants 4- red flowers and 2 orange flowers. How many flowers do they plant?
10 + 4 + 2 = ____
(A) 14
(B) 16
(C) 4
Answer: B
Explanation:
Renee plants 10 yellow flowers.
Her friend Ana plants 4- red flowers
and 2 orange flowers.
10 + 4 + 2 = 16
16 flowers that they plant

Refer to our Texas Go Math Grade 1 Answer Key Pdf to score good marks in the exams. Test yourself by practicing the problems from Texas Go Math Grade 1 Lesson 3.2 Answer Key Add Tens and Ones.

Texas Go Math Grade 1 Lesson 3.2 Answer Key Add Tens and Ones

Essential Question
How can you odd tens and ones?
Explanation:
Add tens place to tens place and ones place to ones

Explore
Choose a way to show the problem. Draw a quick picture to show your work.

For The Teacher

• Read the following problems. Barb has 20 pennies. Ed has 3 pennies. How many pennies do they have? Kyle has 40 pennies. Kim has 5 pennies. How many pennies do they have?

Math Talk
Mathematical processes
Explain why there are 3 ones in your answer when you add 20 + 3.

Model and Draw

How can you find 30 + 4?
___ tens ___ ones
30 + 4 = ____
Explanation:

3 tens 4 ones
30 + 4 = 34

Share and Show

Use  Write how many tens and ones. Draw to show tens and ones. Write the sum.

Question 1.
60 + 6 = ___
___ tens ___ ones
Answer:

Explanation:
60 + 6 = 66
6 tens 6 ones

Question 2.
50 + 3 = ___
___ tens ___ ones
Answer:

Explanation:
50 + 3 = ___
___ tens ___ ones

Question 3.
90 + 8 = ___
___ tens ___ ones
Answer:

Explanation:
90 + 8 = 98
9 tens 8 ones

Question 4.
20 + 1 = ___
___ tens ___ ones
Answer:

Explanation:
20 + 1 = 21
2 tens 1 ones

Problem Solving

Write how many tens and ones.
Draw to show tens and ones. Write the sum.

Question 5.
40 + 2 = ___
___ tens ___ ones
Answer:

Explanation:
40 + 2 = 42
4 tens 2 ones

Question 6.
70 + 9 = ___
___ tens ___ ones
Answer:

Explanation:
70 + 9 = 79
7 tens 9 ones

Draw to show tens and ones. Write the addition sentence.

Question 7.
Luke has 30 blocks. Elle has 6 blocks. How many blocks do they have?
___ + ___ = ___
__ blocks
Answer:

Explanation:
30 + 6 = 36
36 blocks

Question 8.
H.O.T. Penny has 4 boxes of 10 movies. Nick has 8 movies. How many movies do they have?

Answer:

Explanation:
Penny has 4 boxes of 10 movies.
4 x 10 = 40
Nick has 8 movies.
40 + 8 = 48
48 movies that they have

Question 9.
Multi-Step Ryan has 2 boxes of 10 games. Ian has 3 boxes of 10 games. Then Mindy gives Ryan 5 more games. How many games do they have now?
___ + ___ = ___
__ games
Answer:
2 x 10 = 20
3 x 10 = 30
30 + 20 + 5 = 55
Explanation:
50 + 5 = 55
55 games

Daily Assessment Task

Choose the correct answer.

Question 10.
Lara planted two pepper plants. One grew 10 peppers. The other grew 6. Which number sentence shows how many peppers grew in all?

(A) 10 – 6 = 4
(B) 1 + 6 = 7
(C) 10 + 6 = 16
Answer: C
Explanation:
10 + 6 = 16
is the addition sentence
1 tens and 6 ones

Question 11.
Multi-Step Karl has 2 bags of 10 red marbles, 1 bag of 10 green marbles, and 8 blue marbles. How many marbles does Karl have?
(A) 31 marbles
(B) 38 marbles
(B) 28 marbles
Answer: B
Explanation:
2 x 10 = 20
1 x 10 = 10
20 + 10 + 8 = 38

Question 12.
Use Tools Which shows 30 + 5 = 35?

Answer:

Explanation:
3 tens blocks and 5 ones blocks

Question 13.
Texas Test Prep What is the sum? 50 + 7 = ?
(A) 7
(B) 57
(C) 52
Answer: B
Explanation:
50 + 7 = 57
5 tens 7 ones

Take Home Activity

• Ask your child to explain how to find the sum of 20 + 7.
  Explanation:
  20 + 7 = 27

Texas Go Math Grade 1 Lesson 3.2 Homework and Practice Answer Key

Write how many tens and ones. Draw to show tens and ones. Write the sum.

Question 1.
30 + 7 = ___
___ tens __ ones
Answer:30 + 7 = 37
3 tens 7 ones
Explanation:

Lines represent 10 and dot represent 1

Question 2.
90 + 3 = ___
___ tens __ ones
Answer: 90 + 3 =93
9 tens 3 ones
Explanation:
Lines represent 10 and dot represent 1

Problem Solving

Draw to show tens and ones. Write the addition sentence. Write the sum.

Question 3.
Multi-Step Jeff makes 4 stacks of 10 books. Max makes 4 stacks of 10 books. Then Josh gives Jeff 8 more books. How many books do they have?
___ + __ = ___
___ books
Answer: 88 books

Explanation:
Jeff makes 4 stacks of 10 books = 4 x 10 = 40 books
Max makes 4 stacks of 10 books = 4 x 10 = 40 books
Josh gives Jeff 8 more books = 40 + 8 = 48 books
48+40 = 88 books total they have

Texas Test Prep

Question 4.
Mark drew two castles. One had 10 rooms. The other had 7 rooms. Which number sentence shows how many rooms he drew in all?
(A) 10 + 7 = 17
(B) 10 – 7 = 3
(C) 1 + 7 = 8
Answer: A
Explanation:
One had 10 rooms. The other had 7 rooms. 10 + 7 = 1 tens + 7 ones = 17

Question 5.
Which shows 60 + 2 = 62?

Answer: B

Explanation:
each line represents 10 and circle represents 1
60 + 2 = 6 Tens + 2 Ones= 62

Question 6.
What is the sum?
40 + 6 = ___
(A) 46
(B) 42
(C) 64
Answer: A
Explanation:
40 + 6 = 4 Tens + 6 Ones = 46

Question 7.
Multi-Step Tim has 1 box of 10 colored pencils. Sam has 4 boxes of 10 pencils. Then Joey gives Tim 3 more pencils. How many pencils do they have?

(A) 43
(B) 5
(C) 53
Answer: C
Explanation:
Tim has 1 box of 10 colored pencils = 10 pencils
Sam has 4 boxes of 10 pencils = 4  X 10 = 40 pencils
Joey gives Tim 3 more pencils . So 10 + 3 = 13 pencils
Sam + Tim = 40 + 13 = 53 pencils

Refer to our Texas Go Math Grade 1 Answer Key Pdf to score good marks in the exams. Test yourself by practicing the problems from Texas Go Math Grade 1 Lesson 3.3 Answer Key Addition Word Problems.

Texas Go Math Grade 1 Lesson 3.3 Answer Key Addition Word Problems

Essential Question
How can using a model or drawing a picture help you explain how to solve an addition problem?
Explanation:
With the help of blocks we can easily add the problems

Unlock the Problem
Kelly gets 6 new toy cars. He already has 20 toy cars. How many does he have now?

Read
What information am I given?
Kelly has ___ cars.
He gets ___ more cars.
Explanation:
Kelly has 20 cars.
He gets 6 more cars.

Plan
What is my plan or strategy?
I can _____
Explanation:
I can add 20  and 6
20 + 6 = 26

Solve
Show how you solve the problem.
Explanation:
By adding we can easily solve the problem.

Home Connection

• Being able to show and explain how to solve a problem with base-ten blocks helps your chId build
  on their understanding of addition.

Try Another Problem

Use and draw to solve Explain your reasoning.

• What information am I given?
• What is my plan or strategy?

Question 1.
Aisha picks 60 blueberries to make a pie. Then she picks 2 more to eat How many blueberries does Aisha pick?

Answer:

Explanation:
60 + 2 = 62 blueberries
Aisha pick 62 blueberries

Question 2.
Yuri collects 50 cans for the school food drive. Leo collects 9 cans. How many cans do Yuri and Leo collect?

Answer:

Explanation:
59 cans that Yuri and Leo collect

Math Talk
Mathematical Processes
Explain the strategy you used to solve Exercise 1.
Explanation:
The strategy is to find addition
With the help of base 10 blocks.

Share and Show

Use and draw to solve. Explain your reasoning.

Question 3.
Tyra sees 4-0 geese in the field. Then she sees 7 more geese in the sky. How many geese does Tyra see?

Answer:

Explanation:
47 geese that Tyra see

Problem Solving

Question 4.
H.O.T. Explain It takes 10 hops to get across the yard. How many hops does it take to get across the yard and back?

Answer:
10 + 10 = 20

Explanation:
10 hops to get across the yard.
and again back is 10
10 + 10 = 20

Question 5.
Multi-Step Julian sells 3 books of tickets for the school fair. Each book has 10 tickets. Then she sells 3 more tickets. How many tickets does Julian sell? tickets
___ tickets
Answer:
33 tickets
Explanation:
3 x 10 = 30
30 + 3 = 33
33 tickets that Julian sell

Daily Assessment Task

Choose the correct answer.

Question 6.
Luis counted 20 sheep in the field. He counted 4 sheep in the barn. How many sheep did Luis count in all?

(A) 24
(B) 14
(C) 34
Answer: A
Explanation:
20 + 4 = 24
24 sheep that Luis count in all

Question 7.
Analyze 40 cows are eating hay. 5 cows are eating corn. How many cows are eating?
(A) 54
(B) 45
(C) 35
Answer:
Explanation:
40 + 5 = 45
45 cows are eating

Question 8.
50 children went down the slide. Then 6 more children went down. How many children went down the slide?
(A) 65
(B) 66
(C) 56
Answer: C
Explanation:
50 + 6 = 56
56 children went down the slide

Question 9.
Texas Test Prep I have 40 small shells and 8 big shells. How many shells do I have?
(A) 38
(B) 84
(C) 48
Answer: C
Explanation:
40 + 8 = 48
48 shells that I have

Take Home Activity

• Ask your child to solve 10 + 7, 30 + 8, and 40 + 5. Ask him or her to explain how they solved each problem.

Texas Go Math Grade 1 Lesson 3.3 Homework and Practice Answer Key

Use and draw to solve. Explain your reasoning.

Question 1.
Aiden has 50 markers. Then he buys 4 more. How many markers does he have?
___ markers
Answer:
54 markers
Explanation:

Question 2.
It takes 20 stamps to fill one side of a page. How many stamps does it take to fill both sides of a page?
___ stamps
Answer:
20 + 20 = 40 stamps
Explanation:

Question 3.
Multi-Step Mia collects 7 bags of food for the food drive. Each bag has 10 cans of vegetables. Then she collects 6 more cans. How many cans does she collect?
___ cans
Answer:
76 cans
Explanation:
7 x 10 = 70
70 + 6 = 76
76 cans that she collect.

Texas Test Prep

Choose the correct answer.

Question 4.
Abby heard 30 songs. Then her friend played her 5 songs. How many songs did Abby hear?
(A) 25
(B) 45
(C) 35
Answer: C
Explanation:
30 + 5 = 35
35 songs that Abby hear

Question 5.
70 soccer players are kicking the ball. 6 more soccer players are acting as goalies. How many soccer players are there?
(A) 76
(B) 67
(C) 70
Answer: A
Explanation:
70 + 6 = 76
76 soccer players are there

Question 6.
Daniel has 80 smooth rocks and 3 rough rocks. How many rocks does he have?
(A) 73
(B) 83
(C) 86
Answer: B
Explanation:
80 + 3 = 83
83 rocks that he have

Question 7.
Multi-Step 10 children are riding blue bikes 30 children are riding black bikes. 6 more children are riding red bikes. How many children are riding bikes?

(A) 64
(B) 40
(C) 46
Answer: C
Explanation:
10 + 30 + 6 = 46
46 children are riding bikes

Refer to our Texas Go Math Grade 1 Answer Key Pdf to score good marks in the exams. Test yourself by practicing the problems from Texas Go Math Grade 1 Lesson 10.2 Answer Key Count Backward by Ones from 120.

Texas Go Math Grade 1 Lesson 10.2 Answer Key Count Backward by Ones from 120

Explore

Count backward from 30. Write the numbers as you count backward.

Answer:

Explanation:
We can count down or back by saying numbers in reverse order.

FOR THE TEACHER • Read the following problem. Miss Simmons is checking off the children as they leave the room. One row of numbers is incomplete. Use what you know about counting backward to write the numbers.
Answer:
Counting Back – We can count down or back by saying numbers in reverse order while touching on each object once.
Here, for instance, we can reverse count the buttons by touching each button once.

Counting back requires us to count backwards. Backward counting is counting by removing one, every time. Here, we reverse count while taking out the buttons from the jar, to find the number of the buttons.

Math Talk
Mathematical Processes

Explain how you know which numbers to write.
Answer: In backward counting, we need to write numbers in descending order.
For example, take numbers1, 2, 3, 4, 5, 6, 7, 8, 9, 10.
Here are these numbers, we need to write in backward counting. So we can write in descending order means big to small.
The backward counting is 10, 9, 8, 7, 6, 5, 4, 3, 2, 1.

Model and Draw

Count backwards. Write the numbers.
10 , 9 , ________, ________, ________
100, 99, ________, ________, ________
110, 109, ________, ________, ________

Answer:

By using counting track:
Backward counting means writing in a descending order which is big to small. We need to write in reverse order.

Share and Show

Use a Counting Chart. Count backward. Write the numbers.

Look for a pattern to help you write the numbers.

Question 1.
114, ________, ________, ________, ________, ________, ________
Answer:
By using the counting track write the numbers in backward counting.

114, 113, 112, 111, 110, 109, 108.
We need to write in a descending order that means big to small.

Question 2.
51, ________, ________, ________, ________, ________, ________
Answer: 51, 50, 49, 48, 47, 46, 45.

Question 3.
94, ________, ________, ________, ________, ________, ________
Answer: 94, 93, 92, 91, 90, 89, 88.
Write in descending order.

Question 4.
78, ________, ________, ________, ________, ________, ________
Answer: 78, 77, 76, 75, 74, 73, 72.
In backward counting, the numbers always are in descending order that means the numbers are from big to small.

Question 5.
35, ________, ________, ________, ________, ________, ________
Answer: 35, 34, 33, 32, 31, 30,29.
In backward counting, the numbers always are in descending order that means the numbers are from big to small.

Question 6.
109, ________, ________, ________, ________, ________, ________
Answer: 109, 108, 107, 106, 105, 104, 103.
In backward counting, the numbers always are in descending order that means the numbers are from big to small.

Problem Solving

Use a Counting Chart. Count backward. Write the numbers.

Question 7.
19, ________, ________, ________, ________, ________, ________, ________, ________
Answer: 19, 18, 17, 16, 15, 14, 13, 12, 11.
In backward counting, the numbers always are in descending order that means the numbers are from big to small.

Question 8.
86, ________, ________, ________, ________, ________, ________, ________, ________
Answer: 86, 85, 84, 83, 82, 81, 80, 79, 78.
In backward counting, the numbers always are in descending order that means the numbers are from big to small.

Question 9.
107, ________, ________, ________, ________, ________, ________, ________, ________
Answer: 107, 106, 105, 104, 103, 102, 101, 100, 99.
In backward counting, the numbers always are in descending order that means the numbers are from big to small.

Question 10.
43, ________, ________, ________, ________, ________, ________, ________, ________
Answer: 43, 42, 41, 40, 39, 38, 37,36, 35.
In backward counting, the numbers always are in descending order that means the numbers are from big to small.

Question 11.
68, ________, ________, ________, ________, ________, ________, ________, ________
Answer: 68, 67, 66, 65, 64, 63, 62, 61, 60.
In backward counting, the numbers always are in descending order that means the numbers are from big to small.

Question 12.
22, ________, ________, ________, ________, ________, ________, ________, ________
Answer: 22, 21, 20, 19, 18, 17, 16, 15,14.
In backward counting, the numbers always are in descending order that means the numbers are from big to small.

Question 13.
H.O.T. Use a Counting Chart to write the numbers counting backward.

120, ________, ________, ________, ________, ________
Answer: 120, 119, 118, 117, 116, 115.
In backward counting, the numbers always are in descending order that means the numbers are from big to small.

Question 14.
H.O.T. Multi-Step There is an unknown number in the sequence counting backwards. The number is after 48. The number is before 46. What is the unknown number?
Answer: 47.
The unknown number in backward counting is after 48 and before 46. This representation will be in the below-counting track.

Daily Assessment Task

Choose the correct answer.

Question 15.
Analyze Shawn is counting backward from 101. He is stuck at 100. Which numbers come next?
101, 100, ________, ________, ________, ________
(A) 95, 90, 85, 80
(B) 90, 80, 70, 60
(C) 99, 98, 97, 96
Answer: Option C is correct.

Explanation:
In backward counting, the numbers always are in descending order that means the numbers are from big to small. Here he is counting from backward 101, 100, 99, 98, 97, 96…

Question 16.
Jackie has 25 toy cars. Each car has a number on it from 1 to 25. Jackie wants to put the cars in order from the greatest number to the least. She finds the first three cars. Which car number comes next?

(A) 20
(B) 22
(C) 15
Answer: Option B is correct.

Explanation:
He wants to put the car from greatest to least number. He selected the cars having numbers 15, 20, 22. The greatest number is 22 here so he selects the greatest number on a car because he is counting from backwards. The backward counting is always in descending order.

Question 17.
Dan left a number off the chart. Write the number that is not shown.

Answer: 116.

Explanation:
In backward counting, the numbers always are in descending order that means the numbers are from big to small.

Question 18.
Texas Test Prep Count backward. What number is not shown?
120, 119, _____ , 117, 116
(A) 118
(B) 117
(C) 120
Answer: Option A is correct.

Explanation:
In backward counting, the numbers always are in descending order that means the numbers are from big to small.
So the numbers are 120, 119, 118, 117, 116.

TAKE HOME ACTIVITY • Place 10 objects in a row. Hove your child point to each object as he or she counts backward from 10.
Answer:

Take any objects, here I take stars and make them count from backwards which is from greatest number to lowest number.

Texas Go Math Grade 1 Lesson 10.2 Homework and Practice Answer Key

Use a Counting Chart. Count backward. Write the numbers.

Question 1.
41, _______, _______, _______
Answer: 41, 40, 39, 38.
Explanation:
In backward counting, the numbers always are in descending order that means the numbers are from big to small.

Question 2.
83, _______, _______, _______
Answer: 83, 82, 81, 80.
Explanation:
In backward counting, the numbers always are in descending order that means the numbers are from big to small.

Question 3.
104, _______, _______, _______, _______, _______
Answer: 104, 103, 102, 101, 100, 99.
Explanation:
In backward counting, the numbers always are in descending order that means the numbers are from big to small.

Question 4.
30, _______, _______, _______, _______, _______, _______
Answer: 30, 29, 28, 27, 26, 25, 24.
Explanation:
In backward counting, the numbers always are in descending order that means the numbers are from big to small.

Problem Solving

Use a Counting Chart.

Question 5.
Jed has a book with missing pages. Count backward. Fill in the numbers of the missing pages.
24, 23, _______, _______, 20, _______, _______
Answer: 24, 23, 22, 21, 20, 19, 18.
Explanation:
The Jed has a book having with some missed pages. Here we need to count backwards. The missing pages will be shown in the counting track diagram.

Lesson Check

Choose the correct answer.

Question 6.
Andy is learning to count backward. His teacher left some numbers off the chart. Which numbers are not shown?

(A) 79 and 82
(B) 70 and 75
(C) 80 and 77
Answer: Option C is correct.

Explanation:
Counting backwards- some numbers are missed here that are 80 and 77.

Question 7.
Cal and Kim are counting backward from 43. They don’t agree over which numbers come next. Which numbers are correct?
43, 42, ________, ________, ________, _________
(A) 41, 40, 39, 38
(B) 43, 44, 45, 46
(C) 40, 30, 20, 10
Answer: Option A is correct.

Explanation:
Cal and Kim, both are counting backwards from the number 43. They need to count in a descending order that means big number to small number.

Question 8.
Multi-Step Jack counted the stamps in his collection. The number of stamps is more than 61. The number is less than 63. How many stamps does he have?

(A) 67
(B) 62
(C) 60
Answer: Option B is correct.

Explanation:
In the question asked was the number which is more than 61 and less than 63. Definitely, the number is 62. The representation is shown in the counting tracks.

Question 9.
Count backward. What number is not shown?
82, 81, 80, _________, 78, 77
(A) 81
(B) 76
(C) 79
Answer: Option C is correct.

Explanation:
Counting from backwards means need to count from highest number to lowest number.

Refer to our Texas Go Math Grade 1 Answer Key Pdf to score good marks in the exams. Test yourself by practicing the problems from Texas Go Math Grade 1 Lesson 18.3 Answer Key Time to the Hour and Half Hour.

Texas Go Math Grade 1 Lesson 18.3 Answer Key Time to the Hour and Half Hour

Explore
Each clock has an hour hand and a minute hand. Use what you know about the hour hand to write the unknown numbers.

It is 1:00.
The hour hand points to the _________.
The minute hand points to the _________.
Answer:
It is half past 1:00 or 1:30.

Explanation:

The hour hand points between the 1 and the 2.
The minute hand points to the 6.

 

FOR THE TEACHER • Have children look at the two docks and tell how much time has passed.
Answer:
Time is 1:30 or half past 1.

Explanation:
The hour hand points between the 1 and the 2.
The minute hand points to the 6.

 

Math Talk
Mathematical Processes
Look at the top clock. Explain how you know which is the minute hand.
Answer:
I know its minute hand just by its length. Long hand is called as minute hand in the clock.

Explanation:
Long hand is called as minute hand in the clock.
Short hand is called as hour hand in the clock.

 

Model and Draw
An hour has 60 minutes

Answer:
The clock shows 10:00.

Explanation:
Hour hand is showing 10.
Minute hand is showing 12.
The clock is showing the time: 10:00.

 

A half hour has 30 minutes

Answer:
The clock is showing the time: 10:30 or half past 10.

Explanation:
Hour hand is showing 10.
Minute hand is showing 6.
The clock is showing the time: 10:30 or half past 10.

 

Share and Show
Write the time.
Question 1.

Answer:

Explanation:
Hour hand is showing 11.
Minute hand is showing 6.
The clock is showing the time: 11:30 or half past 11.

 

Question 2.

Answer:

Explanation:
Hour hand is showing 12.
Minute hand is showing 6.
The clock is showing the time: 12:30 or half past 12.

 

Question 3.

Answer:

Explanation:
Hour hand is showing 4.
Minute hand is showing 12.
The clock is showing the time: 4:00.

 

Problem Solving
Write the time.
Question 4.

Answer:

Explanation:
Hour hand is showing 7.
Minute hand is showing 6.
The clock is showing the time: 7:30 or half past 7.

 

Question 5.

Answer:

Explanation:
Hour hand is showing 9.
Minute hand is showing 12.
The clock is showing the time: 9:00.

 

Question 6.

Answer:

Explanation:
Hour hand is showing 8.
Minute hand is showing 6.
The clock is showing the time: 8:30 or half past 8.

 

Circle your answer.
Question 7.
Sara goes to the park when both the hour hand and the minute hand point to the 12. What time does Sara go to the park?
1 o’clock
12 o’clock
2 o’clock
Answer:
Time Sara goes to the park = 12:00.
12 o’clock

Explanation:
Sara goes to the park when both the hour hand and the minute hand point to the 12.
=> Time Sara goes to the park = 12:00.

 

Question 8.
Mel goes to the park at half past 3. Which time shows when Mel goes to the park?

3:00
6:00
3:30
Answer:
Time at Mel goes to the park = 3:30 or half past 3.
3:30.

Explanation:
Mel goes to the park at half past 3.
=> Time at Mel goes to the park = 3:30 or half past 3.

 

Question 9.
H.O.T. Multi-Step The hour hand points halfway between the 2 and 3. Draw the hour hand and the minute hand. Write the time.

Answer:

Explanation:
The hour hand points halfway between the 2 and 3.
=> 2:30 or half past 2.

 

Daily Assessment Task
Choose the correct answer.
Question 10.
The clock shows the time that Ken gets home from her soccer game. What time does the clock show?

(A) 7:00
(B) 7:30
(C) 8:00
Answer:
Time shown in the clock = 7:00.
(A) 7:00.

Explanation:
Time shown in the clock = 7:00.

 

Question 11.
Which clock shows 11:30?

Answer:

Explanation:
First clock shows the time: 11:00
Second clock shows the time: 10:30 or half past 10.
Third clock shows the time: 11:30 or half past 11.

 

Question 12.
Sean goes to the library when the hour hand points to the 6, and the minute hand points to the 12. What time does Sean go to the library?
(A) 6:00
(B) 6:30
(C) 7:30
Answer:
Time at Sean goes to the library = 6:00.
(A) 6:00.

Explanation:
Sean goes to the library when the hour hand points to the 6, and the minute hand points to the 12.
=> Time at Sean goes to the library = 6:00.

 

Question 13.
Texas Test Prep What time is it?

(A) 6:30
(B) 7:30
(C) 8:00
Answer:
Time shown in the clock = 7:30 or half past 7.
(B) 7:30

Explanation:
Time shown in the clock = 7:30 or half past 7.

 

TAKE HOME ACTIVITY • At times on the half hour, have your child show you the minute hand and the hour hand on a clock, and tell what time it is.
Answer:
My kid shown the hours hand showing 7 and minutes hand showing 6.
Time shown in the clock = 7:30 or half past 7.

Explanation:

My kid shown the hours hand showing 7 and minutes hand showing 6.

 

Texas Go Math Grade 1 Lesson 18.3 Homework and Practice Answer Key

Write the time.
Question 1.

Answer:

Explanation:
Time shown in the clock = 3:30 or half past 3.

 

Question 2.

Answer:

Explanation:
Time shown in the clock = 6:00.

 

Question 3.

Answer:

Explanation:
Time shown in the clock = 9:30 or half past 9.

 

Problem Solving
Circle your answer.
Question 4.
Luis goes bowling at 11:00. Which time shows when Luis goes bowling?
11 o’clock
12 o’clock
2 o’clock
Answer:

Explanation:
Luis goes bowling at 11:00.
=> Time Luis goes bowling = 11:00.

 

Question 5.
Multi-Step The hour hand points halfway between 8 and 9. Draw the hour hand and the minute hand. Write the time.

Answer:

Explanation:
The hour hand points halfway between 8 and 9.
=> Time the clock shows = 8:30 or half past 8.

 

Lesson Check
Choose the correct answer.
Question 6.
The clock shows the time that Ken gets home from his karate lesson. What time does the clock show?

(A) 7:30
(B) 8:30
(C) 8:00
Answer:
Time shown in the clock = 7:30 or half past 7.
(A) 7:30.

Explanation:
The clock shows the time that Ken gets home from his karate lesson.
Time shown in the clock = 7:30 or half past 7.

 

Question 7.
Which clock shows 10:30?

Answer:

Explanation:
First clock shows the time: 11:30 or half past 11.
Second clock shows the time: 10:00.
Third clock shows the time: 10:30 or half past 10.

 

Question 8.
What time is it?

(A) 5:00
(B) 4:30
(C) 5:30
Answer:
Time shown in the clock = 4:30 or half past 4.
(B) 4:30.

Explanation:
Time shown in the clock = 4:30 or half past 4.

 

Question 9.
Sara goes to the park when the hour hand points to the II, and the minute hand points to the 12. What time does Sara go to the park?
(A) 11:00
(B) 12:00
(C) 11:30
Answer:
Time Sara goes to the park = 11:00.
(A) 11:00.

Explanation:
Sara goes to the park when the hour hand points to the II, and the minute hand points to the 12.
=> Time Sara goes to the park = 11:00.

Refer to our Texas Go Math Grade 1 Answer Key Pdf to score good marks in the exams. Test yourself by practicing the problems from Texas Go Math Grade 1 Module 18 Assessment Answer Key.

Texas Go Math Grade 1 Module 18 Assessment Answer Key

Vocabulary

Circle the clock that shows time to the half hour. (p.624)
Underline the clock that shows time to the hour. (p.624)

Question 1.

Answer:

Explanation:
First clock shows the time: 12:30 or half past 12:00.
Second clock shows the time: 8:00.

 

Concept and Skills
Write the time. (TEKS 1.7.E)
Question 2.

Answer:
Time shown in the clock = 3:00.

Explanation:
Hours hand showing: 3.
Minutes hand showing: 12.

 

Question 3.

Answer:
Time shown in the clock = 1:30 or half past 1:00.

Explanation:
Hours hand showing: 1.
Minutes hand showing: 6.

 

Write the time. (TEKS 1.7.E)

Question 4.

Answer:
Time shown in the clock = 3:30 or half past 3:00.

Explanation:
Hours hand showing: 3.
Minutes hand showing: 6.

 

Question 5.

Answer:
Time shown in the clock = 6:00.

Explanation:
Hours hand showing: 6.
Minutes hand showing: 12.

 

Choose the correct answer.

Question 6.
What is the time? (TEKS 1.7.E)

(A) 7:00
(B) half past 7:00
(C) 8:00
Answer:
Time shown in the clock = 7:30 or half past 7:00.
(B) half past 7:00.

Explanation:
Hours hand showing: 7.
Minutes hand showing: 6.

 

Question 7.
What time is it? (TEKS 1.7.E)

(A) 8:00
(B) 9 o’clock
(C) 10 o’clock
Answer:
Time shown in the clock = 9:00.
(B) 9 o’clock.

Explanation:
Hours hand showing: 9.
Minutes hand showing: 12.

Question 8.
Which clock shows 12:30? (TEKS 1.7.E)

Answer:

Explanation:
Hours hand showing: 6.
Minutes hand showing: 12.
First clock showing the time: 6:00.
Hours hand showing: 11.
Minutes hand showing: 6.
Second clock showing the time: 11:30 or half past 11:00.
Hours hand showing: 12 and 1 between..
Minutes hand showing: 6.
Third clock showing the time: 12:30 or half past 12:00.

Question 9.
Which clock shows 10:00? (TEKS 1.7.E)

Answer:

Explanation:
Hours hand showing: 10 and 11 between.
Minutes hand showing: 6.
First clock showing the time: 10:30 or half past 10:00.
Hours hand showing: 10.
Minutes hand showing: 12.
Second clock showing the time: 10:00.
Hours hand showing: 2.
Minutes hand showing: 12.
Third clock showing the time: 2:00.

Refer to our Texas Go Math Grade 1 Answer Key Pdf to score good marks in the exams. Test yourself by practicing the problems from Texas Go Math Grade 1 Unit 4 Assessment Answer Key.

Texas Go Math Grade 1 Unit 4 Assessment Answer Key

Vocabulary

Write the words that describe the shape. (p.572)
equal parts
unequal parts

Question 1.

Answer:
They are unequal parts.

Explanation:
First part size of the given figure is smaller than the second part size .
=> They are unequal parts.

 

Question 2.

Answer:
They are equal parts.

Explanation:
First part size of the given figure is equal to the second part size .
=> They are equal parts.

 

Concepts and Skills

Question 3.
Circle the shapes that can combine to make the new shape. (TEKS 1.6.F)

Answer:

Explanation:
Trapezium combined with triangle can form a new shape quadrilateral.

 

Question 4.
Draw a line under the objects that have both flat and curved surfaces. (TEKS 1.6.E)

Answer:

Explanation:
A curve is a shape or a line which is smoothly drawn in a plane having a bent or turns in it.
For example, a circle is an example of curved-shape.
A closed two-dimensional, or flat, figure is called a plane shape.

 

Question 5.
Draw lines to show 2 equal parts. (TEKS 1.6.G,1.6.H)

Answer:

Explanation:
Dividing the figure into two equal length is called dividing it into two equal parts.

 

Choose the correct answer.
Question 6.
Which shading shows a fourth of a rectangle? (TEKS 1.6.G, 1.6.H)

Answer:

Explanation:
When one (1) whole is divided into 4 equal parts each part is called one quarter (or one fourth).

 

Question 7.
Mike uses to measure his pencil. About how long is the pencil? (TEKS 1.7.B, 1.7.D)

(A) about 4
(B) about 6
(C) about 2
Answer:
About six is the length of pencil.
(B) about 6 .

Explanation:
Number of Mike uses to measure his pencil = 6.

 

Question 8.
How many vertices does a hexagon have? (TEKS 1.6.D)

(A) 4
(B) 6
(C) 5
Answer:
Hexagon has six vertices.
(B) 6.

Explanation:
Vertices is the plural of the word vertex, which is the point at which two or more lines/edges meet. Edges are straight lines that connect one vertex to another. Faces are the flat surfaces of shapes.
Hexagon has six vertices.

 

Question 9.
Which flat surface does a cube have? (TEKS 1.6.E)

Answer:

Explanation:
There are six flat surfaces that are the skin of a cube. Each flat surface is called a face.
Square flat surface a cube has.

 

Question 10.
A box is the same length as this string. Use string to find which object will fit in the box.

Answer:

Explanation:
The string length is equal to the pen and the crayon is smaller than it also.
So, both can fit in the box.

 

Choose the correct answer.
Question 11.
What is the time? (TEKS 1.7.E)

(A) 10 o’clock
(B) 4 o’clock
(C) 12 o’clock
Answer:
Time shown in the clock: 4:00.
(B) 4 o’clock

Explanation:
Hours hand is showing: 4.
Minutes hand is showing: 12.

 

Question 12.
Which shows halves? (TEKS 1.6.G, 1.6.H)

Answer:

Explanation:
Triangle is full shape no halves.
Rectangle is divided into four halves.
Circle is divided into two halves.

 

Question 13.
What time is it? (TEKS 1.7.E)

(A) 6 o’clock
(B) half past 12
(C) 12 o’clock
Answer:
Time shown in the clock = 12:30 or half past 12.
(B) half past 12.

Explanation:
Hours hand is showing: 12 and 1 between.
Minutes hand is showing: 6.

 

Question 14.
Which solid has 9 edges? (TEKS 1.6.E)

Answer:

Explanation:
A Triangular Prism has 9 edges.
A cube has 12 edges.
A cuboid has 12 edges.

 

Question 15.
Why does the straw use fewer units to measure? (TEKS 1.7.C)

(A) the straw is shorter so it uses more units
(B) the straw is longer so it uses fewer units
(C) the straw is the same length so it uses the same number of units
Answer:
Straw is longer so it uses fewer units to measure than the cube.
(B) the straw is longer so it uses fewer units

Explanation:
The straw is longer so it uses fewer units to measure than the cube.

 

Choose the correct answer.
Question 16.
Which solid matches the riddle? (TEKS 1.6.E)
I am a block.
I have 6 faces that are squares.

Answer:

Explanation:
A cylinder has two flat ends in the shape of circles. Cylinder has 2 faces.

A cube has six equal, square-shaped sides. Cubes also have eight vertices (corners) and twelve edges, all the same length. cube has 6 faces.
I am a block.
I have 6 faces that are squares.

A triangular prism is a three-sided prism; it is a polyhedron made of a triangular base, a translated copy, and 3 faces joining corresponding sides. A right triangular prism has rectangular sides, otherwise it is oblique. A triangular prism has 5 faces.

 

Question 17.
Use the following clues to draw a shape

• The shape has only straight sides.
• The shape has more than 3 sides.
• The shape has fewer than 5 corners.
• The shape can be cut into fourths.

Draw to show the shape. Draw lines to show how the shape can be cut. Write how many equal shares there are Justify. Explain why your answer is reasonable. (TEKS 1.6.A, 1.6.D, 1.6.G)

What shapes are the equal shares?
Answer:
Square has equal sides.

Explanation:
The shape has only straight sides.
The shape has more than 3 sides.
The shape has fewer than 5 corners.
The shape can be cut into fourths.
According to this points, it can be a Square or Rectangle.

 

How many corners does one equal share have?
Answer:
Four corners one equal share has.

Explanation:
Four corners one equal share has.