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Syllabus

Power Play — Syllabus

CBSE · Class 8 · Mathematics

What Power Play covers in CBSE Class 8 Mathematics: 4 topics, for the 2026-27 session. Part of the CBSE Class 8 Mathematics syllabus.

66 questions72 flashcards22 formulas & key relations5 concepts

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4 Topics · CBSE Class 8 Mathematics · 2026-27

Topics in Power Play

1

1. Exponential Notation and Repeated Multiplication

  • n^a means n multiplied by itself a times.
  • 5^4 = 5 × 5 × 5 × 5 = 625.
  • The base is the repeated factor, and the exponent shows how many times it is used.
2

2. Combinations and Counting Possibilities

  • The number of possible outfits can be found by multiplying the number of choices in each category.
  • Estu has 4 dresses and 3 caps, so the number of combinations is 4 × 3 = 12.
  • A 2-digit lock has 100 combinations.
3

3. Division of Powers, Zero Exponent, and Negative Exponents

  • When two powers have the same base, division can be simplified by subtracting the exponents.
  • 2^4 ÷ 2^3 = 2^(4-3) = 2^1 = 2.
  • For a non-zero base, x^0 = 1.
4

4. Powers of 10 and Expanded Form

  • 47561 can be expanded as (4 × 10^4) + (7 × 10^3) + (5 × 10^2) + (6 × 10^1) + (1 × 10^0).
  • 561.903 can be expanded using positive and negative powers of 10.
  • Any number can be written as the product of a number between 1 and 10 and a power of 10.

Key Concepts

Central concept: Power Play

Exponential growthPower notationPowers with negative and zero exponentsPrime factorisation in exponential formCombinations and countingPowers of 10 and place valueScientific notationLinear growth

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Frequently Asked Questions

What are the important topics in Power Play for CBSE Class 8 Mathematics?
Key topics in Power Play include Exponential Notation and Repeated Multiplication, Combinations and Counting Possibilities, Division of Powers, Zero Exponent, and Negative Exponents, Powers of 10 and Expanded Form. Study these first, then practise questions on each for Class 8 exams.
How should I revise Power Play for Class 8 exams?
Learn the core ideas first, then work through the 66 practice questions on Power Play. Revise definitions regularly and use flashcards for quick recall before the exam.

Sources & Official References

Content is aligned to the official syllabus. Refer to the board website for the latest curriculum.

More resources for Power Play

All CBSE Class 8 Mathematics Syllabus

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