Complete CBSE Class 8 Mathematics Mock Tests, Free Access

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Practice Mathematics with our Class 8 online mock tests, updated for CBSE 2026-27. Each one gives an instant score, so you can quickly see how your preparation is going.

Class 8 Mathematics Tests, Chapter by Chapter

One test per Mathematics chapter, made for Class 8 and matched to the CBSE 2026-27 marking scheme. Click any chapter below to begin. No login needed, and you can retake tests freely.

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Class 8 Mathematics (Ganita Prakash): Concept Navigators & Chapter Diagnostic Tests

Select any unit below to use live mathematical formula solvers and practice high-yield diagnostic questions from the new NCERT Ganita Prakash curriculum with step-by-step verified explanations.

Interactive Concept Tool: Square, Cube & Power Calculator

Q1.What is the unit digit of the square of the number 237?

(a) 7
(b) 9
(c) 3
(d) 1

Q2.According to the laws of exponents (Power Play), what is the value of $(a^m) \times (a^n)$ for any non-zero base $a$?

(a) $a^{m+n}$
(b) $a^{m \times n}$
(c) $a^{m-n}$
(d) $(2a)^{m+n}$

Q3.What is the smallest natural number by which 392 must be multiplied so that the product becomes a perfect cube?

(a) 2
(b) 3
(c) 7
(d) 5

Interactive Concept Tool: Baudhayana-Pythagoras Triplet Checker ($a^2 + b^2 = c^2$)

Q1.The ancient Indian geometric text Baudhayana Sulba Sutra states that the diagonal of a rectangle produces by itself the area produced by:

(a) The perimeter of the rectangle
(b) Both the length and the breadth together ($a^2 + b^2 = c^2$)
(c) Half the area of the rectangle
(d) Twice the product of adjacent sides

Q2.What is the sum of all interior angles of a convex quadrilateral?

(a) $360^\circ$
(b) $180^\circ$
(c) $540^\circ$
(d) $720^\circ$

Q3.What is the formula to calculate the area of a trapezium having parallel sides $a$ and $b$ separated by perpendicular height $h$?

(a) $a \times b \times h$
(b) $(a + b) \times h$
(c) $\frac{1}{2}(a + b) \times h$
(d) $\frac{1}{2}ab \times h$

Interactive Concept Tool: Algebraic Identities & Distribution Evaluator

Q1.What is the expanded form of $(2x + 3y)^2$?

(a) $4x^2 + 9y^2$
(b) $4x^2 + 12xy + 9y^2$
(c) $4x^2 + 6xy + 9y^2$
(d) $2x^2 + 12xy + 3y^2$

Q2.When we distribute $3x(2x - 5)$, the simplified expression obtained is:

(a) $6x^2 - 15x$
(b) $6x - 15$
(c) $5x^2 - 15x$
(d) $6x^2 - 5$

Q3.Factorise completely: $49a^2 - 36b^2$.

(a) $(7a - 6b)^2$
(b) $(49a - 36b)(a + b)$
(c) $(7a - 6b)(7a + 6b)$
(d) $(7a + 6b)^2$

Interactive Concept Tool: Direct & Inverse Proportion Solver

Q1.If 15 workers can build a wall in 48 hours, how many workers will be required for the same work in 30 hours?

(a) 20 workers
(b) 24 workers
(c) 18 workers
(d) 32 workers

Q2.What is the value of a 20% discount on a school bag marked at ₹850?

(a) ₹170 (Selling Price = ₹680)
(b) ₹120
(c) ₹200
(d) ₹150

Q3.On a Cartesian line graph (Tales by Dots and Lines), what is the coordinates of the origin where the horizontal and vertical axes meet?

(a) $(1, 1)$
(b) $(0, 1)$
(c) $(1, 0)$
(d) $(0, 0)$

FAQs

How do I access the 2026-27 Class 8 Mathematics Online Mock Tests?

You can start the latest Mathematics mock tests for Class 8 by selecting your chapter from the links above. These tests are free, dont need login and are optimized for the 2026-27 academic session.

Are the Class 8 online tests based on the new CBSE MCQ pattern?

Yes, our Mathematics online tests are strictly as per the latest CBSE pattern with 20% MCQ weightage and main focus on competency-based and case-study questions.

Can I see my score and answers instantly after the Mathematics test?

After submitting your Class 8 Mathematics test, you can see score report and correct/incorrect answers.

Is there a limit to how many times I can attempt these Class 8 mock tests?

There are no limits. You can re-attempt any Mathematics online test as many times for free, master concepts, improve your speed and accuracy.

Do these Class 8 Mathematics tests work on smartphones?

Yes, the StudiesToday online test platform is mobile-first. Class 8 Mathematics students can take these tests on any smartphone.

How do online mock tests help in Class 8 Mathematics exam preparation?

Online tests help Class 8 students build confidence and time management. By solving above tests MCQs you can apply theoretical knowledge which is important for 2026-27 exams.