CBSEGrade 8Maths · Free with answer key

Math Worksheets – CBSE Grade 8

Free CBSE Grade 8 Maths practice worksheets with real exam-style questions and full answer keys. This set has 8 printable papers covering Cubes and Cube Roots (Ch.6), Comparing Quantities (Ch.7), Algebraic Expressions and Identities (Ch.8), Mensuration (Ch.9) and 4 more. Work through them to build speed and accuracy, then check your answers against the key on each page. Stuck on any step? The Doubt Solver works out the full method for you.

Worksheets in this set

Cubes and Cube Roots (Ch.6)

Practice paper with full answer key

Comparing Quantities (Ch.7)

Practice paper with full answer key

Algebraic Expressions and Identities (Ch.8)

Practice paper with full answer key

Mensuration (Ch.9)

Practice paper with full answer key

Exponents and Powers (Ch.10)

Practice paper with full answer key

Direct and Inverse Proportions (Ch.11)

Practice paper with full answer key

Factorisation (Ch.12)

Practice paper with full answer key

Introduction to Graphs (Ch.13)

Practice paper with full answer key

Sample problems MCQ

Real questions taken from the worksheets above, with answers from the published answer key.

Q1.What is the cube of 4?

  1. (a) 8
  2. (b) 16
  3. (c) 64
  4. (d) 12

Answer: (c) 64

From: Cubes and Cube Roots (Ch.6)

Q1.What is 20% of 450?

  1. (a) 80
  2. (b) 90
  3. (c) 100
  4. (d) 120

Answer: (b) 90

From: Comparing Quantities (Ch.7)

Q1.The expression 3x² − 2x + 5 is a:

  1. (a) Monomial
  2. (b) Binomial
  3. (c) Trinomial
  4. (d) Polynomial with 4 terms

Answer: (c) Trinomial

From: Algebraic Expressions and Identities (Ch.8)

Q1.The area of a trapezium with parallel sides 10 cm and 12 cm and height 5 cm is:

  1. (a) 55 cm²
  2. (b) 60 cm²
  3. (c) 65 cm²
  4. (d) 110 cm²

Answer: (a) 55 cm²

From: Mensuration (Ch.9)

Q1.The value of 2⁻³ is:

  1. (a) −8
  2. (b) 1/8
  3. (c) −1/8
  4. (d) 8

Answer: (b) 1/8

From: Exponents and Powers (Ch.10)

Common mistakes to avoid

  • •Using the formula for simple interest when compound interest is asked
  • •Forgetting to apply the discount before calculating tax in purchase problems
  • •Mixing up profit percentage and loss percentage formulas in business maths questions

Frequently asked questions

Are the Class 8 Maths worksheets free?

Yes - every Mohsim Digital Education worksheet is free to download with a full answer key.

How do I get a full step-by-step solution?

Run the question through the Doubt Solver on this site to get a clear worked solution instantly.

Do these follow the NCERT / CBSE Class 8 syllabus?

The worksheets cover rational numbers, linear equations, comparing quantities, mensuration, exponents and factorisation as per the CBSE curriculum.

Stuck on a problem?

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