Refer to our Texas Go Math Grade 2 Answer Key Pdf to score good marks in the exams. Test yourself by practicing the problems from Texas Go Math Grade 2 Lesson 7.3 Answer Key Write Equations to Represent Addition.

## Texas Go Math Grade 2 Lesson 7.3 Answer Key Write Equations to Represent Addition

**Explore**

Draw to show how you found the answer.

**FOR THE TEACHER** • Read the following problem and have children choose their own methods for solving. There are 15 children on the bus. Then 9 more children get on the bus. How many children are on the bus now?

Answer:

Explanation:

There are 15 children on the bus.

Then 9 more children get on the bus.

24 children are on the bus now

**Math Talk**

**Mathematical Processes**

Explain how you found the number of children on the bus.

Answer:

We have added the number of children in the bus

and who get on the bus

15 + 9 = 24

so, there are total 24 children in the bus

**Model and Draw**

You can write a number sentence to show a problem.

Sandy has 16 pencils. Nancy has 13 pencils. How many pencils do the two girls have?

The two girls have _________ pencils.

Answer:

The two girls have 29 pencils.

16 + 13 = 29

number of pencils sandy has = 16

number of pencils Nancy has = 13

**Share and Show**

**Write a number sentence for the problem. Use a ☐ for the missing number. Then solve.**

Question 1.

Carl sees 25 melons at the store. 15 are small and the rest are large. How many melons are large?

___________ melons

Answer:

10 melons

Explanation:

Carl sees 25 melons at the store.

15 are small and the rest are large.

25 – 15 = 10

15 + 10 = 25

10 melons are large

Question 2.

83 people went to a movie on Thursday. 53 of them were children and the rest were adults. How many adults were at the movie?

____________ adults

Answer:

30 adults

Explanation:

83 people went to a movie on Thursday.

53 of them were children and the rest were adults.

83 – 53 = 30

53 + 30 = 83

30 adults were at the movie

**Problem Solving**

**Write a number sentence for the problem. Use a ☐ for the missing number. Then solve.**

Question 3.

Chris and his friends went to the zoo. In the Reptile House, they saw 9 snakes and 19 lizards. How many reptiles did they see?

__________ reptiles

Answer:

28 reptiles

Explanation:

Chris and his friends went to the zoo.

In the Reptile House,

they saw 9 snakes and 19 lizards.

9 + 19 = 28

28 reptiles that they see.

**Solve. Write or draw to explain.**

Question 4.

**H.O.T. Multi-Step** Braden’s class went to the park. They saw 26 oak trees and 19 maple trees. They also saw 13 cardinals and 35 blue jays. Compare the total number of trees and the total number of birds that the class saw.

Answer:

Explanation:

26 oak trees and 19 maple trees.

trees = 26 + 19 = 45

13 cardinals and 35 blue jays.

13 + 35 = 48 birds

48 – 45 = 3

48 > 43

birds are greater than trees

Question 5.

**H.O.T.** Amy needs about 70 paper clips. Without adding, circle 2 boxes that would be close to the amount that she needs.

Explain how you made your choices.

Answer:

Explanation:

54 + 19 = 73

this is 3 more than 70

35 + 32 = 67

this is 3 less than 70

**Daily Assessment Task**

**Choose the correct answer.**

Question 6.

Apply There are 43 whales in the first group. There are 38 whales in the second group. How many whales are in the two groups?

(A) 81

(B) 78

(C) 71

Answer: A

Explanation:

There are 43 whales in the first group.

There are 38 whales in the second group.

43 + 38 = 81

81 whales are in the two groups

Question 7.

There are 43 fish in one group and 38 fish in another group. How many fish are there?

(A) 75

(B) 88

(C) 81

Answer: C

Explanation:

There are 43 fish in one group

and 38 fish in another group.

43 + 38 = 81

81 fish are there

Question 8.

Reasoning In April, Robert counted 49 boats in the lake. Robert counted 47 boats in May. How many boats did Robert count in the two months?

(A) 96

(B) 86

(C) 99

Answer: A

Explanation:

In April, Robert counted 49 boats in the lake.

Robert counted 47 boats in May.

49 + 47 = 96

96 boats that Robert count in the two months

Question 9.

**TEXAS Test Prep** Mr. Walton baked 54 cookies last week. He baked 38 cookies this week. How many cookies did he bake in the two weeks?

(A) 16

(B) 92

(C) 82

Answer: B

Explanation:

Mr. Walton baked 54 cookies last week.

He baked 38 cookies this week.

54 + 38 = 92

92 cookies that he bake in the two weeks

**TAKE HOME ACTIVITY** • Have your child explain how he or she solved one of the exercises in this lesson.

Answer:

We have to add the numbers

Explanation:

There are 43 fish in one group and 38 fish in another group. How many fish are there

In first group there are 43 fishes

in second group there are 38 fishes

to find the total we have to add the first group and the second group

43 + 38 = 81 fishes