Class 8 Mathematics — Chapter 5: Number Play
72 practice questions · 24 Easy · 24 Medium · 24 Hard
Practise the most important Class 8 Mathematics questions from Chapter 5, "Number Play" — 72 NCERT-aligned multiple-choice questions with answers and explanations. The set is split into 24 Easy, 24 Medium and 24 Hard, so you can warm up on the fundamentals and then push into the exam-level problems that separate top scorers in CBSE Board exams.
"Number Play" is one of the chapters where problem-solving speed, formula recall and step-by-step reasoning really pays off. Each MCQ on this chapter is timed and uses exam-grade marking (+4 correct, −1 wrong, 0 skipped), training the same negative-marking accuracy-under-pressure that real papers demand. Every question carries a short explanation, so a wrong answer becomes a quick lesson rather than a dead end — the fastest way to close gaps before a test.
Use this chapter as targeted revision: attempt the Easy set first to confirm your basics on Number Play, then move to Medium and Hard to test application and problem-solving. Your accuracy, streaks and XP save automatically, and the chapter feeds into your overall Class 8 Mathematics mastery score. A sample question is shown below; sign in free to see its answer and practise all 72.
Key concepts: Number Play (Class 8 Mathematics)
This chapter is about the hidden structure of whole numbers: multiples, factors and quick tests for divisibility. You revisit the rules for 2, 5 and 10 (units digit), learn the digit-sum rules for 3 and 9, the last-digits rules for 4 and 8, and the alternating-sum rule for 11 — and see with place value why each rule works. It ends with cryptarithms, puzzles where letters stand for digits and clever reasoning about remainders and units digits cracks the code.
- Multiple
- A number obtained by multiplying a given number by a whole number: the multiples of 6 are 6, 12, 18, 24, … Every number is a multiple of 1 and of itself.
- Factor
- A number that divides another exactly, leaving no remainder. 7 is a factor of 42 because 42 = 7 × 6; a prime has exactly two factors.
- Divisibility by 2, 5, 10
- Decided by the units digit alone: divisible by 2 if it ends in 0, 2, 4, 6 or 8; by 5 if it ends in 0 or 5; by 10 only if it ends in 0.
- Divisibility by 3 and 9
- Add the digits: the number is divisible by 3 if the digit sum is a multiple of 3, and by 9 if the digit sum is a multiple of 9.
Try a sample question
One free sample from this chapter — sign in to check your answer and practise the rest.
Is 462 divisible by 6?
Unlock the full chapter — free
See the answer and solution to this question, then practise all 72 questions (24 Easy · 24 Medium · 24 Hard) with timed scoring and instant feedback, plus the complete key-concept notes, formulas & exam tips. Sign in with Google — no card needed.
Start this chapter free →Number Play — FAQs
What are the key concepts in Class 8 Mathematics Number Play?+
This chapter is about the hidden structure of whole numbers: multiples, factors and quick tests for divisibility. You revisit the rules for 2, 5 and 10 (units digit), learn the digit-sum rules for 3 and 9, the last-digits rules for 4 and 8, and the alternating-sum rule for 11 — and see with place value why each rule works. It ends with cryptarithms, puzzles where letters stand for digits and clever reasoning about remainders and units digits cracks the code. Key ideas include Multiple, Factor, Divisibility by 2, 5, 10, Divisibility by 3 and 9.
What does Class 8 Mathematics Chapter 5 (Number Play) cover on XamBaaz?+
It covers 72 NCERT-aligned MCQs on "Number Play" — 24 Easy, 24 Medium and 24 Hard — each with a timed quiz and an instant explanation, suitable for CBSE Board exams.
Are these "Number Play" questions free to practise?+
Yes — sign in with Google to practise "Number Play" free. Full unlimited access is ₹999/year (limited-time launch price), with no per-chapter charges.
How should I revise "Number Play" for the exam?+
Start with the Easy quiz to confirm your fundamentals, then attempt Medium and Hard for application-level practice. Review each explanation, retry the questions you miss, and track your accuracy on this chapter until it is consistently high.
Are these "Number Play" MCQs available with answers?+
Yes. This page shows one sample question so you can see the format; sign in free with Google to reveal the correct option and a step-by-step "Why" explanation for it, then practise all 72 questions with instant scoring.
Is there negative marking in the "Number Play" quizzes?+
Yes — the timed quizzes use exam-grade marking: +4 for a correct answer, −1 for a wrong one and 0 for a skipped question, so you practise the same negative-marking discipline as CBSE Board exams.
Are these important questions for Number Play?+
The set is curated to the NCERT syllabus and weighted toward the question patterns that actually appear in CBSE Board exams, across Easy, Medium and Hard — so it doubles as an "important questions" revision list for "Number Play".