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.