All the solutions provided in **McGraw Hill Math Grade 1 Answer Key PDF Chapter 9 Test **as per the latest syllabus guidelines.

## McGraw-Hill Math Grade 1 Chapter 9 Test Answer Key

**Look at each picture. Count the tens and ones. Write the number.**

Question 1.

Answer:

15

Explanation:

The basket holds ten apples

and there are 5 more apples

10 + 5 = 15

Question 2.

Answer:

35

Explanation:

3 cube sticks of ten cubes

3 tens = 30 and 5 ones

= 30 + 5 = 35

**Count the cubes. Write the numbers.**

Question 3.

The number is ___________

Answer:

Explanation:

The number is 27

2 tens and 7 ones = 27

Question 4.

The number is ___________

Answer:

Explanation:

The number is 41

4 tens and 1 ones = 41

**Add. Write the sum. Regroup if you need to.**

Question 5.

32 + 25 = _____________

Answer:

32 + 25 = 57

Explanation:

3 tens and 2 ones, 2 tens and 5 ones

adding tens and ones separately

3 tens + 2 tens =Â 5 tens

2 ones + 5 ones = 7 ones

Question 6.

27 + 16 = ______________

Answer:

27 + 16 = 43

Explanation:

2 tens and 7 ones, 1 tens and 6 ones

adding tens and ones separately

2 tens + 1 tens =Â 3 tens

7 ones + 6 ones = 13 ones

**Use objects to count. Write your answer.**

Question 7.

24

10 more than 24 is _____________

10 less than 24 is _____________

Answer:

10 more than 24 is 34

10 less than 24 is 14

Explanation:

24 – 10 = 14

24 + 10 = 34

Question 8.

81

10 more than 81 is _____________

10 less than 81 is _____________

Answer:

10 more than 81 is 91

10 less than 81 is 71

Explanation:

81 + 10 = 91

81 – 10 = 71

**Add or subtract. Write the sum or difference.**

Question 9.

Answer:

Explanation:

The sum of 35 and 4 is 39

35 + 4 = 39

Question 10.

Answer:

Explanation:

The sum of 52 and 5 is 57

52 + 5 = 57

Question 11.

Answer:

Explanation:

The sum of 23 and 60 is 83

23 + 60 = 83

Question 12.

Answer:

Explanation:

The difference of 36 and 30 is 6

36 – 30 = 6

Question 13.

Answer:

Explanation:

The difference of 30 and 20 is 10

30 – 20 = 10

Question 14.

Answer:

Explanation:

The difference of 70 and 50 is 20

70 – 50 = 20

Question 15.

Answer:

Explanation:

The sum of 40 and 30 is 70

40 + 30 = 70

Question 16.

Answer:

Explanation:

The sum of 28 and 20 is 48

28 + 20 = 48

Question 17.

Answer:

Explanation:

The sum of 18 and 50 is 68.

18 + 50 = 68