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Infinity Explorer

Classes 6–12 · about 12 minutes · free, no sign-up

What you will learn

Understand that an endless sum can have a finite total and that infinite sets behave in surprising ways.

How to play

  1. Eat half of what is left, again and again, and watch the gap.
  2. Make an announcement in the Infinite Hotel and ring the bell.
  3. Add nines to 0.999 and see the gap to 1 shrink.

Go deeper

Notes, practice questions and tests for the same topic:

Number systems NCERT chapters →

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