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 7.3 Answer Key Use Think Addition to Subtract.

## Texas Go Math Grade 1 Lesson 7.3 Answer Key Use Think Addition to Subtract

**Essential Question**

How can you use addition to help you find the answer to a subtraction fact?

Explanation:

An addition fact can help you subtract.

4 + 6 = 10

10 – 6 = 4

**Explore**

Use Draw to show your work. Write the number sentences.

What is 10 – 3?

Explanation:

10 – 3 = 7

is the subtraction fact

derived a addition fact from it.

**For The Teacher**

- Read the problem. Maria has 7 games. She gets 3 more. How many games does she have? Children use the top workspace to solve. Then have children solve this problem: Maria has 10 games. She gives 3 of them to her friends. How many games does Maria have now?

Explanation:

7 + 3 = 10

10 games she have now.

10 – 3 = 7

so, she has 7 games now

Math Talk

**Mathematical Processes**

Do your answers make sense? Explain.

Explanation:

10 – 3 = 7

and 7 + 3 = 10

so this facts says my answers make sense.

**Model and Draw**

An addition fact can help you subtract.

What is 8 – 6?

Answer:

Explanation:

An addition fact that helped to find subtraction fact.

**Share and Show**

Think of an addition fact to help you subtract.

Question 1.

What is 8 – 6?

Answer:

Explanation:

Addition fact helped to find the subtraction fact

Question 2.

What is 11 – 5?

Answer:

Explanation:

Addition fact helped to find the subtraction fact

Question 3.

What is 10 – 8?

Answer:

Explanation:

Addition fact helped to find the subtraction fact

Question 4.

What is 7 – 4?

Answer:

Explanation:

Addition fact helped to find the subtraction fact

**Problem Solving**

**Think of an addition fact to help you subtract.**

Question 5.

Answer:

Explanation:

Addition fact helped to find the subtraction fact

Question 6.

Answer:

Explanation:

Addition fact helped to find the subtraction fact

Question 7.

Answer:

Explanation:

Addition fact helped to find the subtraction fact

7 – 5 = 2

2 + 5 = 7

Question 8.

Answer:

Explanation:

Addition fact helped to find the subtraction fact

10 – 5 = 5

5 + 5 = 10

Question 9.

Answer:

Explanation:

Addition fact helped to find the subtraction fact

8 – 5 = 3

3 + 5 = 8

Question 10.

Answer:

Explanation:

Addition fact helped to find the subtraction fact

11 – 6 = 5

5 + 6 = 11

Question 11.

Answer:

Explanation:

Addition fact helped to find the subtraction fact

13 – 7 = 6

6 + 7 = 13

Question 12.

Emil has 13 pencils in a cup. He takes some pencils out. There are 6 pencils left in the cup. How many pencils does he take out?

What addition fact can you use to solve this problem?

___ + ___ = ______

So, Emil takes out ______ pencils.

Answer:

So, Emil takes out 7 pencils.

Explanation:

Emil has 13 pencils in a cup. He takes some pencils out.

There are 6 pencils left in the cup.

13 – 6 = 7

7 pencils that he take out

Question 13.

**H.O.T. Multi-Step** Mark has 5 red pens and 2 blue pens. He gives 1 blue pen and 1 red pen to Anna. How many pens does he have now?

___ pens

Answer:

Explanation:

Mark has 5 red pens and 2 blue pens.

5 + 2 = 5

He gives 1 blue pen and 1 red pen to Anna.

1 + 1 = 2

5 – 2 = 3

3 pens that he have now

**Daily Assessment Task**

**Choose the correct answer.**

Question 14.

Rosa has 13 red marbles and 9 blue marbles. How many more red marbles than blue marbles does Rosa have?

(A) 2 more

(B) 3 more

(C) 4 more

Answer: C

Explanation:

Rosa has 13 red marbles and 9 blue marbles.

13 – 9 = 4

4 more red marbles than blue marbles that Rosa have

Question 15.

Analyze Javier is finding 12 – 6. Which addition fact will help him sùbtract?

(A) 6 + 6 = 12

(B) 6 + 4 = 10

(C) 6 + 8 = 14

Answer: A

Explanation:

Analyze Javier is finding 12 – 6.

12 – 6 = 6

6 + 6 = 12 fact will help him subtract

Question 16.

**Multi-Step** Monique has 14 balloons. She gives 6 balloons to her brother. Then she gives 3 balloons to her sister. How many balloons does Monique have now?

(A) 8

(B) 5

(C) 9

Answer: B

Explanation:

Monique has 14 balloons. She gives 6 balloons to her brother.

14 – 6 = 8

Then she gives 3 balloons to her sister.

8 – 3 = 5

5 balloons that Monique have now

Question 17.

**Texas Test Prep** Which subtraction sentence can you solve by using 3 + 9 = 12?

(A) 9 – 3 = ___

(B) 12 – 6 = __

(C) 12 – 3 = ____

Answer: C

Explanation:

12 – 3 = 9 is the subtraction sentence that can be solved by using 3 + 9 = 12

**Take Home Activity**

- Ask your child to explain how the addition fact 8 + 6 = 14 can help him or her to find 14 – 6.

Explanation:

8 + 6 = 14

14 – 6 = 8

### Texas Go Math Grade 1 Lesson 7.2 Homework and Practice Answer Key

**Think of an addition fact to help you subtract.**

Question 1.

Answer:

Explanation:

Addition fact helped to find the subtraction fact

Question 2.

Answer:

Explanation:

Addition fact helped to find the subtraction fact

Question 3.

Answer:

Explanation:

Addition fact helped to find the subtraction fact

9 – 4 = 5

5 + 4 = 9

Question 4.

Answer:

Explanation:

Addition fact helped to find the subtraction fact

12 – 6 = 6

6 + 6 = 12

Question 5.

Answer:

Explanation:

Addition fact helped to find the subtraction fact

15 – 8 = 7

8 + 7 = 15

Question 6.

Answer:

Explanation:

Addition fact helped to find the subtraction fact

10 – 4 = 6

6 + 4 = 10

Question 7.

Answer:

Explanation:

Addition fact helped to find the subtraction fact

14 – 6 = 8

6 + 8 = 14

**Problem Solving**

Question 8.

Leanna invites 15 children to her party. Some children are not able to come. There are 9 children at the party. How many children did not come?

What addition fact can you use to solve this problem?

___ + ___ = ____

So, ____ children do not come to the party.

Answer:

6 + 9 = 15

So, 6 children do not come to the party.

Explanation:

Leanna invites 15 children to her party.

Some children are not able to come.

There are 9 children at the party

15 – 9 = 6

6 children did not come

**Lesson Check**

**Texas Test Prep**

**Choose the correct answer.**

Question 9.

Micah wants to find 13 — 7. Which addition fact will help him subtract?

(A) 7 + 5 = 12

(B) 7 + 8 = 15

(C) 7 + 6 = 13

Answer:

Question 10.

Ashley has II dresses. Because 4 are too small, she gives them away. How many dresses does she have now?

Which addition fact helps you solve the problem?

(A) 3 + 8 = 11

(B) 6 + 8 = 14

(C) 4 + 7 = 11

Answer:

Question 11.

Which subtraction sentence can you solve using 4 + 8 = 12?

(A) 12 – 4 = ___

(B) 12 – 6 = ___

(C) 8 – 4 = ___

Answer:

Question 12.

**Multi-Step** Austin has 12 model planes. He breaks 3. Then 4 more break. How many model planes that are not broken does Austin have now?

(A) 6

(B) 5

(C) 8

Answer: