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CBSE Class 8 Maths Chapter-wise MCQs with Answers
Practise CBSE Class 8 Maths multiple-choice questions aligned to the CBSE Class 8 syllabus (NCERT-aligned). WeloScholars covers all 14 topics — including Squares, Cubes and Roots (A Square and A Cube), Exponents (Power Play), History of Number Systems (A Story of Numbers), Quadrilaterals — with curriculum-aligned MCQs, an AI tutor that explains every concept step by step, and analytics that show exactly where to focus next. Every question comes with a full step-by-step worked solution, so students learn the method — not just the answer. Start free: no credit card needed, and your first practice session takes under a minute to set up.
All 14 CBSE Class 8 Maths topics
- Squares, Cubes and Roots (A Square and A Cube)Identify perfect squares of numbers from 1 to 25.
- Exponents (Power Play)Define exponent, base, and power.
- History of Number Systems (A Story of Numbers)Understand the historical evolution of counting and number systems across different civilizations.
- QuadrilateralsIdentify and classify different types of quadrilaterals: parallelogram, rectangle, rhombus, square, trapezium, and kite.
- Divisibility Rules and Number Puzzles (Number Play)Express two-digit and three-digit numbers in their generalised form (e.g., 10a+b, 100a+10b+c).
- Distributive Property (We Distribute, Yet Things Multiply)Apply the distributive property of multiplication over addition and subtraction to simplify numerical expressions involving rat…
- Ratios (Proportional Reasoning – 1)Define ratio and express it in its simplest form.
- Percentages (Fractions in Disguise)Convert fractions and decimals to percentages and vice-versa.
- The Baudhayana–Pythagoras TheoremIdentify the hypotenuse and legs of a right-angled triangle.
- Proportion (Proportional Reasoning – 2)Identify and differentiate between direct and inverse proportion in real-life situations.
- Points, Lines and Angles (Exploring Some Geometric Themes)Identify and differentiate between points, lines, line segments, and rays.
- Statistics (Tales by Dots and Lines)Define and understand basic statistical terms such as data, raw data, observation, frequency, frequency distribution, range, cl…
- Algebraic Expressions (Algebra Play)Identify and differentiate between algebraic expressions, equations, and identities.
- AreaRecall and apply formulas for the area of squares, rectangles, and triangles.
Try 3 CBSE Class 8 Maths practice questions with answers
A student attempts to represent the year 2024 using both Roman numerals and the Hindu-Arabic numeral system. Which comparison correctly explains why the Hindu-Arabic system requires significantly fewer computational steps for basic addition?
- A. The Hindu-Arabic system relies on place value with a zero placeholder, allowing column-wise standard algorithms.
- B. The Hindu-Arabic system avoids using a base and treats all digits as independent values.
- C. Roman numerals rely entirely on multiplicative factors rather than additive notation.
- D. The Hindu-Arabic system uses distinct symbols for every power of ten without place value.
✅ Answer: A
Hindu-Arabic system: 10 symbols + place value + zero.
Values align by powers of 10 for column addition.
Roman numerals combine additive/subtractive rules without place value (MMXXIV).
Misconception: Believing Roman numerals are equally efficient or that place value does not simplify arithmetic operations.
Consider two ancient numeral records: Record 1: Uses separate unique symbols for 1, 10, 100, and 1000, repeating them additively without a zero. Record 2: Uses only 10 fixed digits where the position of each digit indicates its multiplier (units, tens, hundreds), including a specific symbol for an empty place. Which statement evaluates the structural consequence of adopting Record 2 over Record 1 for large-scale commerce and record-keeping?
- A. Record 2 eliminates the need to introduce new symbols for arbitrarily large quantities while maintaining compact representation.
- B. Record 2 requires larger physical writing space because empty positions must be explicitly marked with words.
- C. Record 1 allows simpler multiplication because every power of ten possesses its own standalone glyph.
- D. Record 1 prevents any possibility of ambiguity, whereas Record 2 requires infinitely many unique signs.
✅ Answer: A
Record 1 (additive system) needs new symbols for higher powers (10 000, etc.).
Record 2 (positional base-10 with zero) expresses arbitrarily large numbers using only 10 digits.
Place value reduces symbol overhead.
Misconception: Assuming additive systems without place value scale efficiently for large numbers without inventing endless symbols.
In the history of mathematics, the ancient Indian mathematician who provided formal rules for computing with zero (Shunya) as a number in its own right was ___.
- A. Euclid
- B. Aryabhata
- C. Bhaskara I
- D. Brahmagupta
✅ Answer: D
Brahmagupta defined arithmetic rules for zero in the Brahmasphutasiddhanta.
Aryabhata described place-value principles earlier.
Bhaskara I expanded on indeterminate equations.
Euclid worked in Greek geometric tradition.
Students often confuse Aryabhata with Brahmagupta regarding explicit mathematical rules for zero operations.
How WeloScholars helps with CBSE Class 8 Maths
- Worked solutions, the school way — bar models, number lines and clearly laid-out working that match how Maths is taught in class.
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Frequently asked questions
Is this aligned to the NCERT/CBSE 2026–27 syllabus?
Yes. WeloScholars maps every CBSE Class 8 Maths question to the official syllabus, topic by topic, and updates when the syllabus changes. Off-syllabus content is excluded.
How many CBSE Class 8 Maths topics are covered?
All 14 topics in the CBSE Class 8 Maths curriculum, each with its own question pool, learning objectives and AI tutor support.
Can my child practise CBSE Class 8 Maths for free?
Yes. The free plan includes practice questions every month plus a demo you can try without creating an account. Premium unlocks unlimited practice and full explanations.
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