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 5.5 Answer Key Use Equations to Represent Problems.

## Texas Go Math Grade 2 Lesson 5.5 Answer Key Use Equations to Represent Problems

**Explore**

Write a story problem that could be solved using this model.

Answer:

John had 15 marbles and he gave 9 marble to his friend, now how many marbles is with him.

He has 6 marbles.

Explanation:

**FOR THE TEACHER** • Discuss with children how this model can be used to represent an addition or a subtraction situation.

Answer:

In the above model, subtraction situation can be discussed with children,

as total marble are 15 and he gave 9 marble to his friend, then 6 more marble left with him.

**Math Talk**

**Mathematical Processes**

Would you add or subtract to solve your story problem? Explain.

Answer:

To solve story problem we use subtraction.

In subtraction we subtract the desired marbles from the total to get the sum.

**Model and Draw**

A number sentence can be used to show a problem.

There were some girls and 4 boys at the playground. There were 9 children in all. How many girls were at the playground?

So, there were __________ girls at the playground.

Answer: 5

Explanation:

There were some girls and 4 boys at the playground.

There were 9 children in all.

Number of girls at the playground

5 + 4 = 9

**Share and Show**

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

Question 1.

There were 14 ants on the sidewalk. Then 6 ants went into the grass. How many ants were still on the sidewalk?

__________ ants

Answer:

8 ants

Explanation:

There were 14 ants on the sidewalk.

Then 6 ants went into the grass.

Number of ants still on the sidewalk

14 – 6 = 8

Question 2.

There were 7 big dogs and 4 little dogs at the park. How many dogs were at the park?

__________ dogs

Answer:

11 dogs

Explanation:

There were 7 big dogs and 4 little dogs at the park.

Number of dogs at the park

7 + 4 = 11

**Problem Solving**

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

Question 3.

There were 13 girls flying kites. Some of the girls went home. Then there were 7 girls flying kites. How many girls went home?

__________ girls

Answer:

6 girls

There were 13 girls flying kites.

Some of the girls went home.

Then there were 7 girls flying kites.

Number of girls went home

13 – 7 = 6

Question 4.

There are 18 boys at the field. 9 of the boys are playing soccer. How many boys are not playing soccer?

___________ boys

Answer:

9 boys

Explanation:

There are 18 boys at the field.

9 of the boys are playing soccer.

Number of boys not playing soccer

18 – 9 = 9

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

Question 5.

**H.O.T.** There were some ducks in a pond. Four more ducks joined them. Then there were 12 ducks in the pond. How many ducks were in the pond at first?

_________ ducks

Answer:

8 ducks

Explanation:

There were some ducks in a pond.

Four more ducks joined them.

Then there were 12 ducks in the pond.

Number of ducks in the pond at first

12 – 4 = 8

Question 6.

**Multi-Step** Matthew found 13 acorns. He traded 4 of his acorns for 7 acorns that Greg had. How many acorns does Matthew have now?

__________ acorns

Answer:

2 acorns

Explanation:

Matthew found 13 acorns.

He traded 4 of his acorns for 7 acorns that Greg had.

Number of acorns Matthew have now

13 – (4+7) = 13 – 11= 2

**Daily Assessment Task**

**Choose the correct answer.**

Question 7.

Apply Kent and Clark are playing a game. Clark has 11 points. That is 5 points more than Kent has. How many points does Kent have?

(A) 7

(B) 16

(C) 6

Answer:

Option (C)

Explanation:

Clark has 11 points.

That is 5 points more than Kent has.

Number points Kent have

11 – 5 = 6

Question 8.

**Multi-Step** 4 children are playing soccer, 6 children are playing basketball and 3 children are playing catch. How many children are playing games?

(A) 10

(B) 13

(C) 9

Answer:

Option ( B)

Explanation:

4 children are playing soccer,

6 children are playing basketball and

3 children are playing catch.

Number of children playing games

4 + 6 + 3 = 13

Question 9.

There are 5 children and 9 adults watching a game. How many people are watching the game?

(A) 12

(B) 16

(C) 14

Answer:

Option ( C)

Explanation:

There are 5 children and

9 adults watching a game.

Number of people watching the game

5 + 9 =14

Question 10.

**TEXAS Test Prep** Jon counted 12 butterflies. Tessa counted 7 butterflies. How many fewer butterflies did Tessa count than Jon?

(A) 7

(B) 5

(C) 19

Answer:

Option (B)

Explanation:

Jon counted 12 butterflies.

Tessa counted 7 butterflies.

Number of fewer butterflies did Tessa count than Jon

12 – 7 = 5

**TAKE HOME ACTIVITY** • Ask your child to explain how he or she solved one of the problems on this page.

Answer:

After solving the above problems the child can do better in addition and subtractions equations.

### Texas Go Math Grade 2 Lesson 5.5 Homework and Practice Answer Key

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

Question 1.

There were 11 boys riding bikes. Some of the boys left to drink water. Then there were 5 boys riding bikes. How many boys went to drink water?

_________ boys

Answer:

6 boys

Explanation:

There were 11 boys riding bikes.

Some of the boys left to drink water.

Then there were 5 boys riding bikes.

Number of boys went to drink water

11 – 5 = 6

Question 2.

There are 7 runners at the track. Then walkers came to the track. Now there are 14 people at the track. How many walkers came to the track?

___________ walkers

Answer:

7 walkers

Explanation:

There are 7 runners at the track.

Then walkers came to the track.

Now there are 14 people at the track.

Number of walkers came to the track

14 – 7 = 7

**Problem Solving**

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

Question 3.

There were some apples on the ground. Five more apples fell to the ground. Then there were 14 apples on the ground. How-many apples were there on the ground first?

_________ apples

Answer:

9 apples

Explanation:

There were some apples on the ground.

Five more apples fell to the ground.

Then there were 14 apples on the ground.

Number of apples were there on the ground first

14 – 5 = 9

Question 4.

**Multi-Step** Kayla found 10 coins in a jar. She gave 3 coins to her sister. Then Kayla found 6 more coins on a table. How many coins does Kayla have now?

_____________ coins

Answer:

13 coins

Explanation:

Kayla found 10 coins in a jar.

She gave 3 coins to her sister.

Then Kayla found 6 more coins on a table.

Number of coins does Kayla have now

10 – 3 = 7

7 + 6 = 13

**Lesson Check**

**Choose the correct answer.**

Question 5.

Jan counted 14 water bottles and Rita counted 6 water bottles. How many fewer water bottles did Rita count than Jan?

(A) 8

(B) 7

(C) 20

Answer:

Option(A)

Explanation:

Jan counted 14 water bottles and

Rita counted 6 water bottles.

Number of fewer water bottles did Rita count than Jan

14 – 6 = 8

Question 6.

There are 7 children and 6 adults at the dinner table. How many people are having dinner?

(A) 7

(B) 13

(C) 12

Answer:

Option (B)

There are 7 children and 6 adults at the dinner table.

Number of people having dinner

7 + 6 = 13

Question 7.

Elliot and David are playing basketball. David won the game with 15 points. That was 7 points more than Elliot had. How many points did Elliot have?

(A) 8

(B) 1

(C) 9

Answer:

Option (A)

Explanation:

David won the game with 15 points.

That was 7 points more than Elliot had.

Number of points Elliot have

15 – 7 = 8

Question 8.

**Multi-Step** At the beach, 7 children are swimming and 5 children are playing in the sand. There are 4 other children who are reading. How many children are at beach?

(A) 12

(B) 16

(C) 9

Answer:

Option (B)

Explanation:

At the beach, 7 children are swimming and

5 children are playing in the sand.

There are 4 other children who are reading.

Number of children at beach

swimming + playing + reading

=7 +5 + 4

= 16