AI

AI Exam Prep

More Practice / Class 8

Class 8 Math Practice Test Online

This Class 8 Math practice test page helps students generate a quick math exam from sample questions. It works well for arithmetic, word problems, formulas, and chapter-wise revision.

Class 8MathAI practice test
Browse all classes
📖New to this topic?Start with the NCERT syllabus reference →

Class 8 Math Practice Test sample questions

These starter questions help you launch a math mock test quickly. Swap them with your own worksheet, notebook, or textbook questions any time.

1. Solve: 2x + 5 = 17
2. Factorize: x^2 + 5x + 6
3. Find the area of a circle with radius 7 cm (use pi = 22/7).
4. Find the cube of 9.
5. What is 20% of 450?
6. Solve: 3x − 5 = 16.
7. Factorize: x² − 9.
8. Find the area of a circle with radius 14 cm. (Use π = 22/7)
9. Find the value of (3a + 2b)² if a = 1, b = 2.
10. Calculate: cube of 12.
11. Calculate the simple interest on Rs. 5000 for 2 years at 6% p.a.
12. Find the value of: 2⁻³.
13. Find the surface area of a cube with side 5 cm.
14. The mean of 10 numbers is 25. Find their sum.
15. A bag has 5 red and 3 blue balls. Find the probability of drawing a red ball.

Related search topics

algebrageometryfractions and decimalsword problems

This page is built for students looking for class 8 math practice test, chapter practice, and quick school exam revision.

Why this practice page is useful

Use this Class 8 math practice test page to start with a ready-made sample instead of typing everything from scratch.

The generated paper mirrors the tone of a Class 8 math exam and works well for school revision, homework support, and quick mock tests.

You can replace the starter questions with your own textbook or worksheet content for more targeted math practice.

Answer key & quick explanations

Short answers for the sample questions above. Use this to self-check before generating a fresh AI-built mock test.

  1. 2x + 5 = 17: 2x = 12 → x = 6.
  2. Factorize x² + 5x + 6: (x + 2)(x + 3).
  3. Area of circle r=7: (22/7)×7² = 154 sq cm.
  4. Cube of 9: 729.
  5. 20% of 450: 90.
  6. 3x − 5 = 16: 3x = 21 → x = 7.
  7. Factorize x² − 9: (x − 3)(x + 3).
  8. Area of circle r=14: (22/7)×14² = 616 sq cm.
  9. (3a + 2b)² with a=1,b=2: (3+4)² = 49.
  10. Cube of 12: 1728.
  11. SI on Rs.5000 for 2 yr at 6%: (5000×2×6)/100 = Rs. 600.
  12. 2⁻³: 1/8.
  13. Surface area of cube side 5: 6 × 25 = 150 sq cm.
  14. Sum if mean of 10 = 25: 250.
  15. P(red ball): 5 / (5+3) = 5/8.

Class 8 Math chapters covered

Typical NCERT / board-syllabus chapters this practice test draws from. Paste questions from any chapter below to generate a focused chapter-wise mock test.

  • Rational Numbers
  • Linear Equations in One Variable
  • Understanding Quadrilaterals
  • Practical Geometry
  • Data Handling
  • Squares and Square Roots
  • Cubes and Cube Roots
  • Comparing Quantities (Percentage, Profit/Loss, SI, CI)
  • Algebraic Expressions and Identities
  • Visualising Solid Shapes
  • Mensuration
  • Exponents and Powers
  • Direct and Inverse Proportions
  • Factorisation
  • Introduction to Graphs
  • Playing with Numbers

How to use this class 8 math practice test page

1. Open the ready-made starter and generate the test.

2. Review the output as a quick Class 8 math mock test.

3. Replace the starter with your own chapter questions for more accurate revision.

Explore more for Class 8

Class 8 English practice testClass 8 Science practice testClass 8 Social practice test

Move between subjects in the same class to build a fuller revision routine.

Math practice tests for other classes

Continue the same math thread across nearby classes for year-on-year revision.

Class 7 Math practice testClass 9 Math practice testClass 6 Math practice testClass 10 Math practice test