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Mental Maths Worksheets for Class 3, Download PDF

Mental Maths Worksheets for Class 3 helps students quickly solve arithmetic problems using their minds and strong math skills. Check this article to know everything about mental maths worksheet for class 3.
authorImageNeha Tanna4 Aug, 2025
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Mental Maths Worksheets for Class 3

Mental Maths Worksheets for Class 3: The purpose of the Class 3 Mental Math worksheets is to assist young students improve their math skills via interesting and enjoyable activities.

These worksheets concentrate on enhancing problem-solving skills in addition, subtraction, multiplication, and division and speed and accuracy in fundamental mathematical concepts. To promote logical thinking, they also incorporate word puzzles, patterns, and numerical sequence tasks. Regular practice helps students gain the confidence they need to perform mental calculations, which is crucial for learning in the future. These worksheets are a fun approach for kids to practise fundamental math concepts because they are frequently vibrant, interactive, and curriculum aligned.

What is Mental Maths?

Mental Maths is the ability to do math calculations in your head without using paper, a calculator, or other tools. For Class 3 students, it means solving basic math problems like addition, subtraction, multiplication, and division quickly, just by thinking. Mental Maths helps you get faster at solving everyday math problems, like figuring out how much money you need to buy something or how many toys you have if you add some more. It’s like a fun exercise for your brain that makes you smarter and better at math!

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Mental Maths Worksheets for Class 3

Here is a Mental Maths Worksheet for Class 3 with the questions followed by their answers:

1. What is the sum of 9 and 5?

a) 14 b) 15 c) 16 d) 17

Answer : a) 14

Explanation : 9 + 5 = 14

2. Subtract 8 from 20.

a) 12 b) 13 c) 14 d) 15

Answer : a) 12

Explanation : 20 - 8 = 12

3. Multiply 7 and 5.

a) 35 b) 36 c) 37 d) 38

Answer : a) 35

Explanation : 7 x 5 = 35

4. Divide 50 by 5.

a) 5 b) 6 c) 10 d) 11

Answer : c) 10

Explanation : 50 ÷ 5 = 10

5. What is the square of 9?

a) 81 b) 82 c) 83 d) 84

Answer : a) 81

Explanation : 9 2 = 81

6. What is the cube of 3?

a) 27 b) 28 c) 29 d) 30

Answer : a) 27

Explanation : 3 3 = 27

7. Add 7 and 9, then multiply the result by 2.

a) 32 b) 33 c) 34 d) 35

Answer : a) 32

Explanation : (7 + 9) x 2 = 16 x 2 = 32

8. Divide 100 by 10, then add 5 to the result.

a) 15 b) 16 c) 17 d) 18

Answer : a) 15

Explanation : (100 ÷ 10) + 5 = 10 + 5 = 15

9. Multiply 5 by 6, then subtract 10 from the result.

a) 20 b) 21 c) 22 d) 23

Answer : a) 20

Explanation : (5 x 6) - 10 = 30 - 10 = 20

10. Divide 100 by 5, then multiply the result by 4.

a) 80 b) 81 c) 82 d) 83

Answer : a) 80

Explanation : (100 ÷ 5) x 4 = 20 x 4 = 80

11. Which shape has 4 sides and 4 angles that are equal in measurement?

a) Square b) Triangle c) Circle d) Rectangle

Answer : a) Square

12. How many minutes are there in an hour?

a) 50 minutes b) 60 minutes c) 70 minutes d) 80 minutes

Answer : b) 60 minutes

13. What is the next number in the series 5, 10, 15, 20, 25?

a) 30 b) 35 c) 40 d) 45

Answer : a) 30

14. If I have 4 apples and add 2 more, how many apples will I have in total?

a) 6 apples b) 15 apples c) 20 apples d) 25 apples

Answer : a) 6 apples

15. What is the formula for finding the area of a triangle?

a) (base x height) / 2 b) (base x height) x 2 c) base x height d) base / height

Answer : a) (base x height) / 2

16. How many sides does a hexagon have?

a) 4 b) 5 c) 6 d) 7

Answer : c) 6

17. What is the value of 3 x 4?

a) 7 b) 10 c) 12 d) 15

Answer : c) 12

18. If I have 10 pencils and I lose 3, how many pencils will I have left?

a) 7 pencils b) 24 pencils c) 20 pencils d) 18 pencils

Answer : a) 7 pencils

19. What is the formula for finding the circumference of a circle?

a) 2πr b) πr c) πr2 d) 2r

Answer : a) 2πr

20. What is the next number in the series 2, 4, 8, 16, 32?

a) 64 b) 40 c) 50 d) 60

Answer : a) 64

Mental Maths Worksheet for Class 3 PDF

The goal of the Class 3 Mental Maths Worksheet PDF is to improve students' arithmetic abilities in an enjoyable and interesting way. Numerous questions covering fundamental ideas including addition, subtraction, multiplication, division, and basic geometry are included in this worksheet. Students will increase their confidence in their mathematical understanding, sharpen their mental math skills, and boost their problem-solving ability by doing these tasks. These worksheets are a great tool to help kids learn maths, whether they are used in the classroom or at home. To get started, download the PDF right now.

Mental Maths Worksheet for Class 3 PDF

Benefits of Mental Maths Worksheet for Class 3

Mental Maths worksheets for Class 3 offer several benefits for young learners:

Improves Calculation Speed : Regular practice helps students solve math problems quickly and efficiently without relying on calculators or paper.

Boosts Confidence : As children master mental math skills, they become more confident in their ability to handle math challenges.

Enhances Problem-Solving Skills : Mental maths encourages logical thinking and the ability to approach problems from different angles.

Sharpens Memory : Repeated practice strengthens memory and recall abilities, aiding in faster mental calculations.

Supports Curriculum Learning : Worksheets align with the syllabus, reinforcing concepts taught in the classroom.

Prepares for Higher Learning : Developing strong mental math skills lays a solid foundation for advanced math concepts in higher grades.

About CuriousJr Mental Maths Classes

At CuriousJr a part of PhysicsWallah, we provide specialized mental maths classes designed to help students master essential problem-solving skills. Our program features over 50 mental math strategies , carefully crafted to enhance both the speed and accuracy of calculations. Our classes emphasize the development of logical reasoning and critical thinking skills enabling students to tackle complex problems with ease. By participating in our CuriousJr classes students not only improve their ability to solve challenging tasks but also strengthen their overall cognitive abilities . This empowerment allows them to achieve more in less time, transforming math learning into an enjoyable and rewarding experience. Join us at CuriousJr to unlock your full potential in mental mathematics.
 

Mental Maths Worksheet for Class 3 FAQs

What is a Mental Maths Worksheet for Class 3?

A Mental Maths Worksheet for Class 3 is a collection of exercises designed to help students practice solving math problems mentally without using tools like calculators or paper.

What topics are covered in a Mental Maths Worksheet for Class 3?

Topics include basic arithmetic such as addition, subtraction, multiplication, division, number patterns, and simple word problems.

How can a Mental Maths Worksheet for Class 3 benefit students?

It helps improve speed, accuracy, logical thinking, and confidence in solving math problems, laying a strong foundation for future learning.

How often should students practice with a Mental Maths Worksheet for Class 3?

Students can benefit from practicing these worksheets a few times a week to strengthen their mental math skills.

Are Mental Maths Worksheets for Class 3 aligned with the syllabus?

Yes, most worksheets are aligned with the Class 3 math syllabus to reinforce the concepts learned in the classroom.
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