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Double Century

CBSE · Class 3 · Mathematics

Quick revision notes for Double Century — CBSE Class 3 Mathematics. Key concepts, formulas, and definitions for last-minute revision.

44 questions64 flashcards5 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?
Double Century covers several key topics that are frequently asked in CBSE Class 3 board exams. Focus on the core concepts listed on this page and practise related questions to build confidence.
How to score full marks in Double Century — CBSE Class 3 Mathematics?
Understand the core concepts first, then work through the 44 practice questions available for this chapter. Revise formulas and 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 14 chapters — CBSE Class 3 Mathematics Revision Notes

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