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Double Century — Revision Notes

CBSE · Class 3 · Mathematics

Double Century revision notes for CBSE Class 3 Mathematics: 4 topics in quick points. Includes The Story of Numbers, Making 100 and Numbers Beyond 100.

44 questions64 flashcards7 formulas & key relations5 concepts

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Key Topics to Revise

1

1. The Story of Numbers

  • People first counted by making marks on cave walls and tree barks.
  • Later, people kept records by making groups of 5, 10, 20, and 60.
  • Ancient Indians created a way to write any number using only ten symbols: 0 to 9.
2

2. Making 100

  • 100 can be made by adding two numbers.
  • 70 and 30 make 100.
  • Bholu made 100 by jumping on 65 and then jumping 35 more.
3

3. Numbers Beyond 100

  • 100 and 1 make 101, called One Hundred One.
  • 100 and 2 make 102, called One Hundred Two.
  • 100 and 10 make 110, called One Hundred Ten.
4

4. Clap, Snap, Pat Game

  • Clap represents 100.
  • Snap represents 10.
  • Pat represents 1.

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Full Notes

Key Concepts

People first kept records by makingAncient Indians created a method0 means nothing100 can be made in differentA number can be split into

Frequently Asked Questions

What are the important topics in Double Century for CBSE Class 3 Mathematics?
Key topics in Double Century include The Story of Numbers, Making 100, Numbers Beyond 100, Clap, Snap, Pat Game. Study these first, then practise questions on each for Class 3 exams.
How should I revise Double Century for Class 3 exams?
Learn the core ideas first, then work through the 44 practice questions on Double Century. 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.

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All CBSE Class 3 Mathematics Revision Notes

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