We included **HMH Into Math Grade 2 Answer Key**** PDF** **Module 15 Lesson 3 Solve Multistep Addition and Subtraction Problems** to make students experts in learning maths.

## HMH Into Math Grade 2 Module 15 Lesson 3 Answer Key Solve Multistep Addition and Subtraction Problems

I Can solve multistep addition and subtraction word problems.

**Step It Out**

1. On a hike, Ted collects 6 pinecones. Shivali collects 8 pinecones. How many more pinecones do they need to collect to have 25 pinecones?

A. Choose the operation you will use.

THINK: How can I find how many more pinecones they need?

B. Complete the bar model. Write an equation for the first step. Solve.

Ted and Shivali collect ___ pinecones.

Answer:

Ted and Shivali collect 14 pinecones.

C. Complete the bar model. Write an equation for the second step. Solve.

They need ____ more pinecones to have 25.

Answer:

They need 11 more pinecones to have 25.

**Step It Out**

2. Sasha has 15 trading cards. She gives Tyler 4 of her cards. Then Tyler gives her 7 of his cards. How many cards does Sasha have now?

A. Choose the operations you will use to solve the problem.

THINK: How can I find the number of cards Sasha has now? Sasha has cards.

B. Complete the bar model. Write an equation for the first step. Solve.

Sasha has ___ cards.

Answer:

Sasha has 11 cards.

Sasha has 15 trading cards.

She gives Tyler 4 of her cards.

15 – 4 = 11

C. Complete the bar model. Write an equation for the second step. Solve.

Sasha has ___ cards now.

Answer:

Then Tyler gives her 7 of his cards.

11 + 7 = 18

Sasha has 18 cards now.

**Turn and Talk** How do you decide what you need to do first to solve the problem?

3. Olivia and Ana each have 12 beads. They buy a package with 5 beads in it. How many beads do they have now?

A. Choose the operation you will use.

THINK: How can I find how many beads they have now?

B. Write an equation for the first step. Solve.

_____________________

Olivia and Ana have ___ beads.

answer:

12 + 12 = 24

Olivia and Ana have 24 beads.

C. Write an equation for the second step. Solve.

_____________________

Olivia and Ana have ___ beads now.

answer:

24 + 5 = 29

Olivia and Ana have 29 beads now.

**Turn and Talk** Does the order in which you do the steps change the answer? Explain.

**Check Understanding Math Board**

Question 1.

Write equations to solve the problem. Grace collects 8 shells and Zoe collects 9 shells. They get 5 more shells from a friend. How many shells do they have now?

_____________________

_____________________

Grace and Zoe have ___ shells now.

Answer:

Grace and Zoe have 12 shells now.

Explanation:

Grace collects 8 shells and Zoe collects 9 shells.

8 + 9 = 17

They get 5 more shells from a friend.

17 – 5 = 12

12 shells that they have now.

**On Your Own**

**Reason** Complete the bar models and write two equations to solve.

Question 2.

There are 10 children on the bus. 7 more children get on the bus. Then 3 children get off the bus. How many children are on the bus now?

There are ___ children on the bus now.

Answer:

There are 14 children on the bus now.

Explanation:

There are 10 children on the bus.

7 more children get on the bus.

10 + 7 = 17

Then 3 children get off the bus.

17 – 3 = 14

14 children are on the bus now

**Model with Mathematics Solve.**

Question 3.

Joan eats q grapes. Tony eats 3 more grapes than Joan. Ella eats 4 fewer grapes than Tony. How many grapes does Ella eat?

_____________________

_____________________

Ella eats ___ grapes.

Answer:

Ella eats 8 grapes.

Explanation:

Joan eats 9 grapes.

Tony eats 3 more grapes than Joan.

9 + 3 = 12

Ella eats 4 fewer grapes than Tony.

12 – 4 = 8

8 grapes that Ella eat

Question 4.

Joke and Sara each have 25¢. Then they find some more coins. Now they have 95¢. How much

money do Joke and Sara find?

_____________________

_____________________

Jake and Sara find ____.

Answer:

Jake and Sara find 70¢..

Explanation:

Joke and Sara each have 25¢.

Then they find some more coins.

Now they have 95¢.

95 – 25 = 70¢.

Question 5.

**Model with Mathematics** Jenna and Micah each see 3 different birds. Then Micah sees 5 more birds. How many birds do they see together? Write two equations. Solve.

Jenna and Micah see ___ birds.

Answer:

Jenna and Micah see 11 birds.

Explanation:

Jenna and Micah each see 3 different birds.

3 + 3 = 6

Then Micah sees 5 more birds.

6 + 5 = 11

11 birds that they see together

Question 6.

**Reason** Explain the steps you used to solve the problem.

_____________________

_____________________

Answer:

According to the question we have to

do addition are subtraction then from the answer we have to solve

the remaining question.

Question 7.

Milena has 15 green beads and 7 yellow beads. She gives 10 beads to Abby. How many beads does Milena have now?

Milena has ___ beads now.

Answer:

Milena has 13 beads now.

Explanation:

Milena has 15 green beads and 7 yellow beads.

15 + 7 = 23

She gives 10 beads to Abby.

23 – 10 = 13

13 beads that Milena have now

Question 8.

There are 13 dogs at a park. 5 are bulldogs. The rest are pugs. 4 pugs are black. How many pugs are not black?

_____________________

_____________________

____ pugs are not black.

Answer:

4 pugs are not black.

Explanation:

There are 13 dogs at a park.

5 are bulldogs.

The rest are pugs.

13 – 5 = 8

4 pugs are black.

8 – 4 = 4

4 pugs are not black

**On Your Own**

**Write two equations. Solve.**

Question 9.

Ned and Ella each have q stamps. They get 6 more stamps to add to their collection. How many stamps do they have now?

Ned and Ella have ___ stamps now.

Explain your answer.

________________________

________________________

Answer:

Ned and Ella have 15 stamps now.

Explanation:

Ned and Ella each have 9 stamps.

They get 6 more stamps to add to their collection

9 + 6 = 15

Question 10.

**Reason** There are 8 children at the party. 6 more children come to the party. Then 4 children leave. How many children are at the party now?

_____________________

_____________________

There are ___ children at the party now.

Answer:

There are 10 children at the party now.

Explanation:

There are 8 children at the party.

6 more children come to the party.

8 + 6 = 14

Then 4 children leave.

14 – 4 = 10

10 children are at the party now

Question 11.

There are 4 red apples and 6 green apples in the bowl. 3 apples are eaten. How many apples are there now?

_____________________

_____________________

There are ___ apples now.

Answer:

There are 7 apples now.

Explanation:

There are 4 red apples and

6 green apples in the bowl.

4 + 6 = 10

3 apples are eaten.

10 – 3 = 7