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 5.3 Answer Key Model Taking Apart.

## Texas Go Math Grade 1 Lesson 5.3 Answer Key Model Taking Apart

**Essential Question**

How can you model taking apart, or separating?

Explanation:

Taking apart, or separating represents subtraction.

**Explore**

Use to model the problem. Draw and color to show your model. Write the numbers and a subtraction sentence.

Explanation:

4 – 1 = 5

**Use counters to solve.**

Explanation:

**For The Teacher**

- Have children model the problem using counters. Jeff has 5 apples. 3 apples are red. The rest are yellow. How many apples are yellow?

Explanation:

5 – 3 = 2

so, Jeff had 2 yellow apples

**Math Talk**

**Mathematical Processes**

How did you solve this problem? Explain.

Explanation:

We solved the problem by subtracting

from total number of apples – red apples

so, remaining are yellow apples.

**Model and Draw**

Subtract to find how many small cups there are.

Mary has 6 cups. 2 cups are big. The rest are small. Draw to show how many cups are small.

____ small cups

Explanation:

4 small cups

6 – 2 = 4

**Share and Show**

Use to solve. Draw to show your work.

Write the number sentence and how many.

Question 1.

There are 7 folders. 6 folders are red. The rest are yellow. How many folders are yellow?

____ yellow folder

Answer:

1 yellow folder

Explanation:

7 – 6 = 1

Question 2.

There are 8 pencils. 3 pencils are short. The rest are long. How many pencils are long?

___ long pencils

Answer:

Explanation:

There are 8 pencils.

3 pencils are short.

8 – 3 = 5

5 are long.

**Problem Solving**

Use to solve. Draw to show your work. Write the number sentence and how many.

Question 3.

There are 9 fish. 5 fish have spots. The rest have stripes. How many fish have stripes?

___ striped fish

Answer:

4 striped fish

Explanation:

9 – 5 = 4

4 fish have stripes

**Write or draw to solve.**

Question 4.

There are 6 bears. 4 are big. The rest are small. How many bears are small?

____ small bears

Answer:

Explanation:

There are 6 bears. 4 are big.

6 – 4 = 2

2 are small.

Question 5.

**H.O.T.** There are 7 bears. 1 bear walks away. Then 4 more bears walk away. How many bears are there now?

___ bears

Answer:

Explanation:

1 + 4 = 5

7 – 5 = 2

2 bears are there now

Question 6.

**H.O.T. Multi-Step** There are 4 bears. Some are black and some are brown. There are fewer than 2 black bears.

How many bears are brown?

____ brown bears

Answer:

1 brown bears

Explanation:

fewer than 2 black bears means it is 1

3 are brown and 1 is black

**Daily Assessment Task**

**Choose the correct answer. Use to solve.**

Question 7.

There are 8 cars on a train. 2 cars are red. The rest are green. How many cars are green?

(A) 5

(B) 6

(C) 10

Answer: B

Explanation:

8 – 2 = 6

6 cars are green

Question 8.

What number sentence solves the problem? A house has 5 beds. 1 bed is big. The rest are small. How many beds are small?

(A) 5 – 2 = 3

(B) 5 – 1 = 4

(C) 5 + 1 = 6

Answer: B

Explanation:

5 – 1 = 4

4 are small beds

Question 9.

**Use Tools** There are 7 flowers. 3 flowers are yellow. 2 flowers are white. The rest are red. How many flowers are red?

(A) 2

(B) 3

(C) 5

Answer: A

Explanation:

3 + 2 = 5

7 – 5 = 2

2 are red

Question 10.

**Texas Test Prep** Which number sentence solves the problem? There are 4 cups. 3 cups are red. The rest are blue. How many cups are blue?

(A) 4 + 3 = 7

(B) 4 – 2 = 2

(C) 4 – 3 = 1

Answer: c

Explanation:

1 cups is blue

4 – 3 = 1

**Take Home Activity**

- Have your child collect a group of up to 10 small objects of the same kind, and use them to generate subtraction stories.

Explanation:

the subtraction partners of 10 are

10 – 1 = 9

10 – 2 = 8

10 – 3 = 7

10 – 4 = 6 as on

### Texas Go Math Grade 1 Lesson 5.3 Homework and Practice Answer Key

**Draw counters to solve.**

**Write how many and the number sentence.**

Draw counters to solve.

Write how many and the number sentence

Question 1.

There are 8 chairs. 1 chair is big. The rest are small. How many chairs are small?

___ small chairs

Answer:

Explanation:

8 – 1 = 7

7 chairs are small

Question 2.

There are 7 apples. 3 apples are red. The rest are green. How many apples are green?

____ green apples

Answer:

Explanation:

There are 7 apples. 3 apples are red.

7 – 3 = 4

4 are green.

Question 3.

A flower has 9 petals. 2 petals fall off. How many petals are there now?

____ petals

Answer:

7 petals

Explanation:

A flower has 9 petals. 2 petals fall off.

9 – 2 = 7

7 petals are there now

**Texas Test Prep**

**Lesson Check**

**Choose the correct answer.**

Question 4.

There are 5 leaves. 4 leaves blow away. How many leaves are there now?

(A) 9

(B) 4

(C) 1

Answer: C

Explanation:

5 – 4 = 1

1 leaf is there now

Question 5.

What number sentence solves the problem? A boy has 7 toy cars. 2 cars are blue. The rest are red. How many cars are red?

(A) 7 – 2 = 5

(B) 9 – 2 = 7

(C) 7 + 2 = 9

Answer: A

Explanation:

7 – 2 = 5

A boy has 7 toy cars. 2 cars are blue.

5 are red.

Question 6.

**Multi-Step** There are 5 parrots. 1 parrot flies away. Then 2 more parrots fly away. How many parrots are there now?

(A) 3

(B) 2

(C) 4

Answer: B

Explanation:

1 + 2 = 3

5 – 3 = 2

2 parrots are there now

Question 7.

Which number sentence solves the problem? There are 9 grapes. 3 grapes are green. The rest are purple How many grapes are purple?

(A) 3 + 3 = 6

(B) 9 – 5 = 4

(C) 9 – 3 = 6

Answer:

Explanation:

There are 9 grapes. 3 grapes are green.

9 – 3 = 6

6 grapes are purple