CBSE · Class 8 · Mathematics · Chapter 5

Number Play

Investigate number properties, patterns and logical strategies through challenging mathematical explorations.

4 lessons 50 min
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Lessons in this chapter

  1. 1Is This a Multiple Of?Explore consecutive sums, parity, multiples, mathematical claims and remainder puzzles.
  2. 2Checking Divisibility QuicklyUnderstand place-value divisibility tests, missing digits and digital-root patterns.
  3. 3Digits in DisguiseSolve addition and multiplication cryptarithms using place value, carries and systematic reasoning.
  4. 4Chapter Summary and PracticeRevise Number Play, solve mixed reasoning problems and explore Navakankari.
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