# McGraw Hill My Math Grade 2 Chapter 4 Lesson 7 Answer Key Check Subtraction

All the solutions provided in McGraw Hill Math Grade 2 Answer Key PDF Chapter 4 Lesson 7 Check Subtraction will give you a clear idea of the concepts.

## McGraw-Hill My Math Grade 2 Answer Key Chapter 4 Lesson 7 Check Subtraction

Explore and Explain Teacher Directions: There are 38 vegetables in the garden. Nancy picks 12 vegetables. How many vegetables are left? Show your work. Now check your work. Write the number left in the blue box. Write the number of vegetables picked in the yellow box. Add. What do you notice about the sum?
Explanation: See and Show

You can check the answer to a subtraction problem. Check 25 – 10 = 15.

Subtract  ← If this is the number you subtracted from, your answer is correct.

Question 1.  Explanation:
The difference is added with one subtrahend
To check weather the answer is correct or not
36 – 20 = 16
20 + 16 = 36

Question 2.  Explanation:
The difference is added with one subtrahend
To check weather the answer is correct or not

Question 3.  Explanation:
The difference is added with one subtrahend
To check weather the answer is correct or not

Question 4.  Explanation:
The difference is added with one subtrahend
To check weather the answer is correct or not

Talk Math
Why does addition work as a check for subtraction?

To check subtraction, add the number you subtracted and the difference.

On My Own

Question 5.  Explanation:
The difference is added with one subtrahend
To check weather the answer is correct or not

Question 6.  Explanation:
The difference is added with one subtrahend
To check weather the answer is correct or not

Question 7.  Explanation:
The difference is added with one subtrahend
To check weather the answer is correct or not

Question 8.  Explanation:
The difference is added with one subtrahend
To check weather the answer is correct or not

Question 9.  Explanation:
The difference is added with one subtrahend
To check weather the answer is correct or not

Question 10.  Explanation:
The difference is added with one subtrahend
To check weather the answer is correct or not

Question 11.  Explanation:
The difference is added with one subtrahend
To check weather the answer is correct or not

Question 12.  Explanation:
The difference is added with one subtrahend
To check weather the answer is correct or not

Problem Solving

Question 13.
Ima went to the apple orchard with her class. The class picked 48 apples. They ate 17 of them. How many apples are left?
_____ apples
31 apples
Explanation:
The class picked 48 apples.
They ate 17 of them.
48 – 17 = 31
31 apples are left

Question 14.
The second grade classes are planting seeds. Roy’s class plants 81 seeds. Jessica’s class plants 66 seeds. How many more seeds does Roy’s class plant than Jessica’s class?
____ seeds 15 more seeds
Explanation:
Roy’s class plants 81 seeds.
Jessica’s class plants 66 seeds.
81 – 66 = 15
15 more seeds were Roy’s class plant than Jessica’s class

Question 15.
97 people went sailing yesterday. 38 people went sailing today. How many more people went sailing yesterday than today?
____ people
59 people
Explanation:
97 people went sailing yesterday.
38 people went sailing today.
97 – 38 = 59
59 more people went sailing yesterday than today

write Math How do you check a subtraction problem?

### McGraw Hill My Math Grade 2 Chapter 4 Lesson 7 My Homework Answer Key

Practice

Question 1.  Explanation:
The difference is added with one subtrahend
To check weather the answer is correct or not

Question 2.  Explanation:
The difference is added with one subtrahend
To check weather the answer is correct or not

Question 3.  Explanation:
The difference is added with one subtrahend
To check weather the answer is correct or not

Question 4.  Explanation:
The difference is added with one subtrahend
To check weather the answer is correct or not

Question 5.
There are 46 girls skating. There are 67 boys skating. How many more boys than girls are skating?  Explanation:
There are 46 girls skating.
There are 67 boys skating.
67 – 46 = 21
21 more boys than girls are skating

Question 6.
Molly checks out 21 books from the library. She returns 12. How many books does Molly still have?
____ books
9 books
Explanation:
Molly checks out 21 books from the library.
She returns 12.
21 – 12 = 9
9 books that Molly still have

Question 7.
Reid kicked the football 20 times. He missed a field goal 6 times. How many times did he make a field goal?
____ times
14 times
Explanation:
Reid kicked the football 20 times.
He missed a field goal 6 times.
20 – 6 = 14
14 times that he make a field goal

Test Practice

Question 8.
Mrs, Levine is 83 years old. Mrs. Smith is 67 years old. How many years older is Mrs. Levine than Mrs. Smith?
(A) 16 years
(B) 20 years
(C) 26 years
(D) 17 years