Practice the problems of Math in Focus Grade 1 Workbook Answer Key Chapter 14 Practice 2 Mental Subtraction to score better marks in the exam.

## Math in Focus Grade 1 Chapter 14 Practice 2 Answer Key Mental Subtraction

**Subtract mentally. Think of addition.**

Question 1.

8 – 5 = ______

Answer: 3

Question 2.

9 – 6 = ______

Answer: 3

Question 3.

11 – 3 = ______

Answer: 8

Question 4.

13 – 7 = ______

Answer: 6

Question 5.

15 – 6 = ______

Answer: 9

Question 6.

12 – 8 = ______

Answer: 4

**Subtract mentally. First subtract the tens. Then add the tens to the ones.**

Example

Question 7.

28 – 4 = ___

Answer:

Question 8.

29 – 5 = ______

Answer:

Question 9.

27 – 6 = ______

Answer:

Question 10.

37 – 2 = ______

Answer:

Question 11.

38 – 8 = ______

Answer:

Question 12.

36 – 6 = ______

Answer:

**Subtract mentally.**

**First subtract the tens.**

**Then add the tens to the ones.**

Example

Question 13.

22 – 10 = _______

Answer:

Question 14.

23 – 20 = _______

Answer:

Question 15.

35 – 30 = ________

Answer:

Question 16.

36 – 20 = ________

Answer:

**Solve mentally. Fill in the blanks.**

Question 17.

How many fish are left? ______

Answer:

Given,

There are 16 fish and 9 of them swim away,

By subtracting 9 from 16 we get 7,

Therefore, there are 7 fish left

Question 18.

How many more apples than pears are there? ______

Answer:

Given,

There are 29 apples and 10 pears in the basket,

By subtracting 10 from 29 we get 19,

Therefore, there are 19 more apples than pears.