3 Mark Questions · original practice
3 Mark Questions for Class 8 Mathematics. Try first, then reveal the answer. These are exam-oriented practice items, not copied board papers.
Practice questions aligned to NCERT topics used in CBSE classrooms. These are original exam-oriented questions for revision — not official CBSE board papers and not a guarantee of any exam question. Always match the textbook issued by your school and the latest PDFs on ncert.nic.in and cbseacademic.nic.in.
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A cube number is n × n × n. Example: Use a situation from the NCERT activity or a labelled diagram in this chapter.
ExplanationThree-mark questions want a short explanation, not a full essay. Link the idea to a figure or an activity.
MetaClass: Class 8 · Subject: Mathematics · Chapter: A Square and A Cube · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Square root is the inverse of squaring for perfect squares. Example: Use a situation from the NCERT activity or a labelled diagram in this chapter.
ExplanationThree-mark questions want a short explanation, not a full essay. Link the idea to a figure or an activity.
MetaClass: Class 8 · Subject: Mathematics · Chapter: A Square and A Cube · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
13² = 169. Example: Use a situation from the NCERT activity or a labelled diagram in this chapter.
ExplanationThree-mark questions want a short explanation, not a full essay. Link the idea to a figure or an activity.
MetaClass: Class 8 · Subject: Mathematics · Chapter: A Square and A Cube · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Estimate roots between two consecutive integers. Example: Use a situation from the NCERT activity or a labelled diagram in this chapter.
ExplanationThree-mark questions want a short explanation, not a full essay. Link the idea to a figure or an activity.
MetaClass: Class 8 · Subject: Mathematics · Chapter: A Square and A Cube · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
A Square and A Cube is an NCERT chapter taught in CBSE Class 8 Mathematics. Example: Use a situation from the NCERT activity or a labelled diagram in this chapter.
ExplanationThree-mark questions want a short explanation, not a full essay. Link the idea to a figure or an activity.
MetaClass: Class 8 · Subject: Mathematics · Chapter: A Square and A Cube · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Read the definitions, diagrams and solved examples in the NCERT textbook before practising extra questions. Example: Use a situation from the NCERT activity or a labelled diagram in this chapter.
ExplanationThree-mark questions want a short explanation, not a full essay. Link the idea to a figure or an activity.
MetaClass: Class 8 · Subject: Mathematics · Chapter: A Square and A Cube · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
a^m / a^n = a^(m−n) (a ≠ 0). Example: Use a situation from the NCERT activity or a labelled diagram in this chapter.
ExplanationThree-mark questions want a short explanation, not a full essay. Link the idea to a figure or an activity.
MetaClass: Class 8 · Subject: Mathematics · Chapter: Power Play · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Standard form is a × 10^k. Example: Use a situation from the NCERT activity or a labelled diagram in this chapter.
ExplanationThree-mark questions want a short explanation, not a full essay. Link the idea to a figure or an activity.
MetaClass: Class 8 · Subject: Mathematics · Chapter: Power Play · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Any non-zero number to the power 0 is 1. Example: Use a situation from the NCERT activity or a labelled diagram in this chapter.
ExplanationThree-mark questions want a short explanation, not a full essay. Link the idea to a figure or an activity.
MetaClass: Class 8 · Subject: Mathematics · Chapter: Power Play · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Very large and small numbers use exponents. Example: Use a situation from the NCERT activity or a labelled diagram in this chapter.
ExplanationThree-mark questions want a short explanation, not a full essay. Link the idea to a figure or an activity.
MetaClass: Class 8 · Subject: Mathematics · Chapter: Power Play · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Power Play is an NCERT chapter taught in CBSE Class 8 Mathematics. Example: Use a situation from the NCERT activity or a labelled diagram in this chapter.
ExplanationThree-mark questions want a short explanation, not a full essay. Link the idea to a figure or an activity.
MetaClass: Class 8 · Subject: Mathematics · Chapter: Power Play · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Read the definitions, diagrams and solved examples in the NCERT textbook before practising extra questions. Example: Use a situation from the NCERT activity or a labelled diagram in this chapter.
ExplanationThree-mark questions want a short explanation, not a full essay. Link the idea to a figure or an activity.
MetaClass: Class 8 · Subject: Mathematics · Chapter: Power Play · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Decimals of rationals terminate or repeat. Example: Use a situation from the NCERT activity or a labelled diagram in this chapter.
ExplanationThree-mark questions want a short explanation, not a full essay. Link the idea to a figure or an activity.
MetaClass: Class 8 · Subject: Mathematics · Chapter: A Story of Numbers · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Number systems developed in many civilisations. Example: Use a situation from the NCERT activity or a labelled diagram in this chapter.
ExplanationThree-mark questions want a short explanation, not a full essay. Link the idea to a figure or an activity.
MetaClass: Class 8 · Subject: Mathematics · Chapter: A Story of Numbers · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
The number line holds rationals densely. Example: Use a situation from the NCERT activity or a labelled diagram in this chapter.
ExplanationThree-mark questions want a short explanation, not a full essay. Link the idea to a figure or an activity.
MetaClass: Class 8 · Subject: Mathematics · Chapter: A Story of Numbers · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Equivalent rationals. Example: Use a situation from the NCERT activity or a labelled diagram in this chapter.
ExplanationThree-mark questions want a short explanation, not a full essay. Link the idea to a figure or an activity.
MetaClass: Class 8 · Subject: Mathematics · Chapter: A Story of Numbers · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
A Story of Numbers is an NCERT chapter taught in CBSE Class 8 Mathematics. Example: Use a situation from the NCERT activity or a labelled diagram in this chapter.
ExplanationThree-mark questions want a short explanation, not a full essay. Link the idea to a figure or an activity.
MetaClass: Class 8 · Subject: Mathematics · Chapter: A Story of Numbers · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Read the definitions, diagrams and solved examples in the NCERT textbook before practising extra questions. Example: Use a situation from the NCERT activity or a labelled diagram in this chapter.
ExplanationThree-mark questions want a short explanation, not a full essay. Link the idea to a figure or an activity.
MetaClass: Class 8 · Subject: Mathematics · Chapter: A Story of Numbers · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
A parallelogram has both pairs of opposite sides parallel. Example: Use a situation from the NCERT activity or a labelled diagram in this chapter.
ExplanationThree-mark questions want a short explanation, not a full essay. Link the idea to a figure or an activity.
MetaClass: Class 8 · Subject: Mathematics · Chapter: Quadrilaterals · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
A rectangle has four right angles. Example: Use a situation from the NCERT activity or a labelled diagram in this chapter.
ExplanationThree-mark questions want a short explanation, not a full essay. Link the idea to a figure or an activity.
MetaClass: Class 8 · Subject: Mathematics · Chapter: Quadrilaterals · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
A rhombus has all sides equal. Example: Use a situation from the NCERT activity or a labelled diagram in this chapter.
ExplanationThree-mark questions want a short explanation, not a full essay. Link the idea to a figure or an activity.
MetaClass: Class 8 · Subject: Mathematics · Chapter: Quadrilaterals · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
A square is a rectangle and a rhombus. Example: Use a situation from the NCERT activity or a labelled diagram in this chapter.
ExplanationThree-mark questions want a short explanation, not a full essay. Link the idea to a figure or an activity.
MetaClass: Class 8 · Subject: Mathematics · Chapter: Quadrilaterals · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Quadrilaterals is an NCERT chapter taught in CBSE Class 8 Mathematics. Example: Use a situation from the NCERT activity or a labelled diagram in this chapter.
ExplanationThree-mark questions want a short explanation, not a full essay. Link the idea to a figure or an activity.
MetaClass: Class 8 · Subject: Mathematics · Chapter: Quadrilaterals · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Read the definitions, diagrams and solved examples in the NCERT textbook before practising extra questions. Example: Use a situation from the NCERT activity or a labelled diagram in this chapter.
ExplanationThree-mark questions want a short explanation, not a full essay. Link the idea to a figure or an activity.
MetaClass: Class 8 · Subject: Mathematics · Chapter: Quadrilaterals · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Odd and even patterns. Example: Use a situation from the NCERT activity or a labelled diagram in this chapter.
ExplanationThree-mark questions want a short explanation, not a full essay. Link the idea to a figure or an activity.
MetaClass: Class 8 · Subject: Mathematics · Chapter: Number Play · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Digital roots as a play idea if the book uses them. Example: Use a situation from the NCERT activity or a labelled diagram in this chapter.
ExplanationThree-mark questions want a short explanation, not a full essay. Link the idea to a figure or an activity.
MetaClass: Class 8 · Subject: Mathematics · Chapter: Number Play · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Counter-examples disprove a guess. Example: Use a situation from the NCERT activity or a labelled diagram in this chapter.
ExplanationThree-mark questions want a short explanation, not a full essay. Link the idea to a figure or an activity.
MetaClass: Class 8 · Subject: Mathematics · Chapter: Number Play · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Work systematically. Example: Use a situation from the NCERT activity or a labelled diagram in this chapter.
ExplanationThree-mark questions want a short explanation, not a full essay. Link the idea to a figure or an activity.
MetaClass: Class 8 · Subject: Mathematics · Chapter: Number Play · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Number Play is an NCERT chapter taught in CBSE Class 8 Mathematics. Example: Use a situation from the NCERT activity or a labelled diagram in this chapter.
ExplanationThree-mark questions want a short explanation, not a full essay. Link the idea to a figure or an activity.
MetaClass: Class 8 · Subject: Mathematics · Chapter: Number Play · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Read the definitions, diagrams and solved examples in the NCERT textbook before practising extra questions. Example: Use a situation from the NCERT activity or a labelled diagram in this chapter.
ExplanationThree-mark questions want a short explanation, not a full essay. Link the idea to a figure or an activity.
MetaClass: Class 8 · Subject: Mathematics · Chapter: Number Play · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Factorisation is the reverse of expansion. Example: Use a situation from the NCERT activity or a labelled diagram in this chapter.
ExplanationThree-mark questions want a short explanation, not a full essay. Link the idea to a figure or an activity.
MetaClass: Class 8 · Subject: Mathematics · Chapter: We Distribute, Yet Things Multiply · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Like terms can be added. Example: Use a situation from the NCERT activity or a labelled diagram in this chapter.
ExplanationThree-mark questions want a short explanation, not a full essay. Link the idea to a figure or an activity.
MetaClass: Class 8 · Subject: Mathematics · Chapter: We Distribute, Yet Things Multiply · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
A product of sums. Example: Use a situation from the NCERT activity or a labelled diagram in this chapter.
ExplanationThree-mark questions want a short explanation, not a full essay. Link the idea to a figure or an activity.
MetaClass: Class 8 · Subject: Mathematics · Chapter: We Distribute, Yet Things Multiply · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Keep the sign of each term. Example: Use a situation from the NCERT activity or a labelled diagram in this chapter.
ExplanationThree-mark questions want a short explanation, not a full essay. Link the idea to a figure or an activity.
MetaClass: Class 8 · Subject: Mathematics · Chapter: We Distribute, Yet Things Multiply · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
We Distribute, Yet Things Multiply is an NCERT chapter taught in CBSE Class 8 Mathematics. Example: Use a situation from the NCERT activity or a labelled diagram in this chapter.
ExplanationThree-mark questions want a short explanation, not a full essay. Link the idea to a figure or an activity.
MetaClass: Class 8 · Subject: Mathematics · Chapter: We Distribute, Yet Things Multiply · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Read the definitions, diagrams and solved examples in the NCERT textbook before practising extra questions. Example: Use a situation from the NCERT activity or a labelled diagram in this chapter.
ExplanationThree-mark questions want a short explanation, not a full essay. Link the idea to a figure or an activity.
MetaClass: Class 8 · Subject: Mathematics · Chapter: We Distribute, Yet Things Multiply · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
a:b = c:d means a/b = c/d. Example: Use a situation from the NCERT activity or a labelled diagram in this chapter.
ExplanationThree-mark questions want a short explanation, not a full essay. Link the idea to a figure or an activity.
MetaClass: Class 8 · Subject: Mathematics · Chapter: Proportional Reasoning-1 · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Unitary method. Example: Use a situation from the NCERT activity or a labelled diagram in this chapter.
ExplanationThree-mark questions want a short explanation, not a full essay. Link the idea to a figure or an activity.
MetaClass: Class 8 · Subject: Mathematics · Chapter: Proportional Reasoning-1 · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Map scale is a ratio. Example: Use a situation from the NCERT activity or a labelled diagram in this chapter.
ExplanationThree-mark questions want a short explanation, not a full essay. Link the idea to a figure or an activity.
MetaClass: Class 8 · Subject: Mathematics · Chapter: Proportional Reasoning-1 · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Keep units consistent. Example: Use a situation from the NCERT activity or a labelled diagram in this chapter.
ExplanationThree-mark questions want a short explanation, not a full essay. Link the idea to a figure or an activity.
MetaClass: Class 8 · Subject: Mathematics · Chapter: Proportional Reasoning-1 · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Proportional Reasoning-1 is an NCERT chapter taught in CBSE Class 8 Mathematics. Example: Use a situation from the NCERT activity or a labelled diagram in this chapter.
ExplanationThree-mark questions want a short explanation, not a full essay. Link the idea to a figure or an activity.
MetaClass: Class 8 · Subject: Mathematics · Chapter: Proportional Reasoning-1 · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Read the definitions, diagrams and solved examples in the NCERT textbook before practising extra questions. Example: Use a situation from the NCERT activity or a labelled diagram in this chapter.
ExplanationThree-mark questions want a short explanation, not a full essay. Link the idea to a figure or an activity.
MetaClass: Class 8 · Subject: Mathematics · Chapter: Proportional Reasoning-1 · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Decimal is a fraction with denominator 10, 100…. Example: Use a situation from the NCERT activity or a labelled diagram in this chapter.
ExplanationThree-mark questions want a short explanation, not a full essay. Link the idea to a figure or an activity.
MetaClass: Class 8 · Subject: Mathematics · Chapter: Fractions in Disguise · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Simplify before multiplying if you can. Example: Use a situation from the NCERT activity or a labelled diagram in this chapter.
ExplanationThree-mark questions want a short explanation, not a full essay. Link the idea to a figure or an activity.
MetaClass: Class 8 · Subject: Mathematics · Chapter: Fractions in Disguise · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Reciprocal of a/b is b/a (a ≠ 0). Example: Use a situation from the NCERT activity or a labelled diagram in this chapter.
ExplanationThree-mark questions want a short explanation, not a full essay. Link the idea to a figure or an activity.
MetaClass: Class 8 · Subject: Mathematics · Chapter: Fractions in Disguise · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Operations follow fraction rules. Example: Use a situation from the NCERT activity or a labelled diagram in this chapter.
ExplanationThree-mark questions want a short explanation, not a full essay. Link the idea to a figure or an activity.
MetaClass: Class 8 · Subject: Mathematics · Chapter: Fractions in Disguise · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Fractions in Disguise is an NCERT chapter taught in CBSE Class 8 Mathematics. Example: Use a situation from the NCERT activity or a labelled diagram in this chapter.
ExplanationThree-mark questions want a short explanation, not a full essay. Link the idea to a figure or an activity.
MetaClass: Class 8 · Subject: Mathematics · Chapter: Fractions in Disguise · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
Read the definitions, diagrams and solved examples in the NCERT textbook before practising extra questions. Example: Use a situation from the NCERT activity or a labelled diagram in this chapter.
ExplanationThree-mark questions want a short explanation, not a full essay. Link the idea to a figure or an activity.
MetaClass: Class 8 · Subject: Mathematics · Chapter: Fractions in Disguise · Original GKSchools practice (NCERT-aligned, not an official CBSE paper).
No. They are original practice questions aligned to NCERT topics used in CBSE classrooms. Official sample papers are published on cbseacademic.nic.in.
Nobody can promise a question. Use them for revision of frequently tested concepts and exam-style practice.
Yes, the catalog follows current NCERT textbooks used in CBSE schools (including new middle-stage books such as Ganita Prakash and Curiosity). Always match the book issued by your school.
Open the NCERT-style practice link on this subject or chapter. For word-for-word textbook exercise answers, use the NCERT book itself; we do not copy solution keys from other websites.
Hub /cbse/, then /cbse/class-8/, then subject and chapter slugs.
So students searching for “3 Mark Questions” land on a filtered set, while the chapter page remains the full 100-question bank. Same facts, different search intent.
Follow this loop every day: mixed test, current affairs, then today's subject. A new set arrives tomorrow.
After this page, use these three links — do not open a random page.
More sets from the same cluster — stay on this topic.
Timed papers with a scorecard — start any time, then return to a related quiz above.
