**Mental Math Worksheet for Grade 1**

Welcome to this mental math worksheet for grade 1! This worksheet is designed to help young learners develop their math skills by practicing mental calculations. Mental math is the ability to perform mathematical operations in one’s head without using any external aids, such as calculators or paper and pencil. By developing mental math skills, students can solve problems quickly and efficiently, which is a valuable skill in their everyday lives.

Solve The Sums:

- What is 7 + 2?………….
- What is 6 – 1?………….
- What is 4 + 3 – 1?……….
- What is 9 – 4?……………
- What is 7 + 4 ? …………..

Skip the Counting.

- Count by twos from 2 to 10.
- Count by three from 3 to 21.
- Count by fives from 7 to 20.

Word Problems:

- If you have 3 apples and your friend gives you 2 more, how many apples do you have now?
- If you have 7 toys and you give 2 to your friend, how many toys do you have left?
- What is the number that comes after 8?
- If you have 2 pencils and your teacher gives you 4 more, how many pencils do you have now?

Add the following numbers:

- 2 + 3 = ………
- 4 + 1 = ………
- 1 + 7 = ………
- 3 + 2 = ………
- 7 + 0 = ………

Subtract the following numbers:

- 7 – 2 = ………..
- 4 – 1 = ………..
- 3 – 1 = ………..
- 2 – 1 = ………..
- 7 – 0 =…………

Fill in the blanks:

- 1 + ___ = 3
- 4 – ___ = 2
- ___ + 2 = 7
- ___ – 3 = 1
- 7 – ___ = 7

Which number comes before/after?

- Before 4: ___
- after 2: ___
- before 1: ___
- after 7: ___
- before 3: ___

Solve the following:

- What is the sum of 2 and 7? Answer: ………….
- Subtract 3 from 9. Answer: ……………..
- What is the result of adding 1 to 4? Answer: …………
- Subtract 2 from 7. Answer: …………….
- What is the sum of 3 and 6? Answer: …………
- Subtract 1 from 8. Answer: ………….
- What is the result of adding 2 to 2? Answer: …………..
- Subtract 4 from 10. Answer: ………….
- What is the sum of 4 and 4? Answer: ………….
- Subtract 3 from 6. Answer: ……………
- What is the sum of 12 and 7? Answer: ………….
- What is the sum of 10 and 7? Answer: ………….
- What is the sum of 8 and 10? Answer: ………….
- Subtract 5 from 12. Answer: …………….
- Subtract 12 from 15. Answer: …………….

Class 1 Maths Worksheet on Addition