All the solutions provided in **McGraw Hill Math Grade 2 Answer Key PDF Chapter 1 Lesson 6 Problem-Solving Strategy Write a Number Sentence** will give you a clear idea of the concepts.

## McGraw-Hill My Math Grade 2 Answer Key Chapter 1 Lesson 6 Problem-Solving Strategy Write a Number Sentence

Four friends were eating a snack. Two more friends joined them. Each person ate a banana. How many bananas did they eat?

1. Understand Underline what you know. Circle what you need to find.

2. Plan How will I solve the problem?

3. Solve Write a number sentence.

4. Check Is my answer reasonable? Explain

**Practice the Strategy**

Mrs. Brown’s class had a pet parade. 3 students each brought a brown rabbit. 2 students each brought a white rabbit. 1 student brought a black rabbit. How many rabbits were in the parade?

1. Understand Underline what you know. Circle what you need to find.

2. PIan How will I solve the problem?

3. Solve I will…

4. Check Is my answer reasonable? Explain.

Explanation:

3 students each brought a brown rabbit.

2 students each brought a white rabbit.

3 + 2 = 5

1 student brought a black rabbit

5 + 1 = 6

6 rabbits were in the parade

**Apply the Strategy**

**Write a number sentence to solve.**

Question 1.

There are 3 rabbits at a farm. The farmer buys 9 more. How many rabbits are there now?

Answer:

Explanation:

There are 3 rabbits at a farm.

The farmer buys 9 more.

3 + 9 = 12

12 rabbits are there now.

Question 2.

Chung always picks 5 flowers at home after school. How many flowers will he have after 3 days?

Answer:

Explanation:

Chung always picks 5 flowers at home after school.

5 + 5 + 5 = 15

There will be15 flowers after 3 days.

Question 3.

Mrs. Lewis has 4 books for her reading group. She finds 2 more books. How many books does she have now?

Answer:

Explanation:

Mrs. Lewis has 4 books for her reading group.

She finds 2 more books.

4 + 2 = 6

6 books that she have now.

**Review the Strategies**

- Write a number sentence.
- Act it out.
- Draw a diagram.

Question 4.

Steve, Elena, and Ian are playing with toy planes. Steve gave 8 planes to Ian and 8 to Elena. He has 4 planes left. How many planes did Steve start with?

_____ planes

Answer:

20 planes

Explanation:

Steve gave 8 planes to Ian and 8 to Elena.

8 + 8 = 16

He has 4 planes left.

16 + 4 = 20

Steve start with 20 planes

Question 5.

Arielle has 4 markers. Julia has 3 more markers than Arielle. How many markers do they have in all?

____ markers

Answer:

11 markers

Explanation:

Arielle has 4 markers.

Julia has 3 more markers than Arielle.

4 + 3 = 7

7 + 4 = 11

11 markers that they have in all.

Question 6.

The library has 4 books about parrots and 3 books about swans. There is 1 less book about blue jays than swans. How many books about birds are there in all?

____ books

Answer:

9 books

Explanation:

The library has 4 books about parrots and 3 books about swans.

4 + 3 = 7

There is 1 less book about blue jays than swans.

3 – 1 = 2

7 + 2 = 9

9 books about birds are there in all.