All the solutions provided in **McGraw Hill Math Grade 1 Answer Key PDF Chapter 7 Test **as per the latest syllabus guidelines.

## McGraw-Hill Math Grade 1 Chapter 7 Test Answer Key

**Read the number sentences. Write the sums.**

Question 1.

5 + 7 = ____________

7 + 5 = ____________

Answer:

5 + 7 = 12

7 + 5 = 12

Explanation:

If we change the pattern of addends the sum doesn’t change,

The sum remains the same.

Question 2.

12 + 6 = ____________

6 + 12 = ____________

Answer:

12 + 6 = 18

6 + 12 = 18

Explanation:

If we change the pattern of addends the sum doesn’t change,

The sum remains the same.

Question 3.

0 + 8 = ____________

Answer:

0 + 8 = 8

Explanation:

The sum of 0 and 8 is 8

If we add the zero to a number the number remains the same.

Question 4.

0 + 4 = ____________

Answer:

4

Explanation:

The sum of 0 and 4 is 4

If we add the zero to a number the number remains the same.

Question 5.

5 + 1 + 2 = ____________

Answer:

5 + 1 = 6

6 + 2 = 8

Explanation:

The sum of 5 and 1 is 6

and 6 and 2 is 8

Question 6.

3 + 6 + 4 = ____________

Answer:

6 + 4 = 10

10 + 6 = 16

Explanation:

First we have to form the ten, then we have to add the other number.

**Read the problems. Write the missing number.**

Question 7.

5 + = 9

9 – 5 = ____________

5 + ____________ = 9

Answer:

5 + 4 = 9

9 – 5 = 4

5 + 4 = 9

Explanation:

To find the missing number in addition we have to subtract

Question 8.

5 + 1 = 18

18 – 5 = ____________

5 + ____________ = 18

Answer:

5 + 13 = 18

18 – 5 = 13

5 + 13 = 18

Explanation:

To find the missing number in addition we have to subtract

**Look at each addition sentence. Write another fact with the same sum.**

Question 9.

9 + 2 = 11

____________ + ____________ = 11

Answer:

9 + 2 = 11

2 + 9 = 11

Explanation:

If we change the pattern of addends the sum doesn’t change,

The sum remains the same.

Question 10.

3 + 4 = 7

____________ + ____________ = 7

Answer:

3 + 4 = 7

4 + 3 = 7

Explanation:

If we change the pattern of addends the sum doesn’t change,

The sum remains the same.

**Look at each set of numbers. Write = if they are equal. Write not = if they are not equal.**

Question 11.

17 ____________ 17

Answer:

17 = 17

Explanation:

If the given numbers are equal they are represented with the symbol ‘=’

Question 12.

35 ____________ 30 + 5

Answer:

30 + 5 = 35

35 = 35

Explanation:

If the given numbers are equal they are represented with the symbol ‘=’

Question 13.

8 + 3 ____________ 12 + 5

Answer:

11 â‰ 17

Explanation:

If the given numbers are equal they are represented with the symbol ‘=’

If they are not equal we represent with â‰

Question 14.

9 – 3 ____________ 4 + 2

Answer:

9 – 3 = 6

4 + 2 = 6

6 = 6

Explanation:

If the given numbers are equal they are represented with the symbol ‘=’

**Draw circles to make 10. Then write your answers.**

Question 15.

8 + 5 = ?

10 + 3 = ____________

so 8 + 5 = _____________

Answer:

8 + 5 = 13

10 + 3 = 13

Explanation:

There are 8 green dots in ten frame

we have to add 5 more to get 13

Question 16.

9 + 6 = ?

10 + 5 = _____________

so 9 + 6 = _____________

Answer:

10 + 5 = 15

9 + 6 = 15

Explanation:

There are 9 red dots in ten frame.

so added 6 to get 15

**Count on to add. Count back to subtract.**

Question 17.

4 + 7 = ___________

Answer:

Explanation:

The sum of 4 and 7 is 11

4 + 7 = 11

Question 18.

18 – 12 = ___________

Answer:

Explanation:

The difference of 18 and 12 is 6

18 – 12 = 6

**Look at the chart. Write an addition sentence. Then write a subtraction sentence.**

Question 19.

__________ + ___________ = ___________

Answer:

2 + 4 = 6

4 + 2 = 6

Explanation:

If we change the pattern of addends the sum doesn’t change,

The sum remains the same.

Question 20.

__________ – ___________ = ___________

Answer:

6 – 2 = 4

6 – 4 = 2

Explanation:

The difference of 6 and 2 is 4, 6 and 4 is 2

**Add or subtract to solve. Write the sum or difference. Use objects to help.**

Question 21.

6 play. 2 sleep. How many are there?

6 + 2 = ___________

Answer:

6 + 2 = 8

Explanation:

Number of dogs that play = 6

Number of dogs that sleep = 2

so, there are 8 dogs in all.

Question 22.

Ben has 13 He gives 6 to Sara. How many does Ben have now?

13 – 6 ___________

Answer:

13 – 6 = 7

Explanation:

Number of coins that ben has= 13

Number of coins that he gave to Sara = 6

6 that Ben have now