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Double Century

CBSE · Class 3 · Mathematics

Complete topic list for Double Century in CBSE Class 3 Mathematics. Key concepts, sub-topics, and what to focus on for board exams.

45 questions20 flashcards5 concepts
4 Topics · CBSE Class 3 Mathematics

Topics in Double Century

1

The Story of Our Numbers

  • Ancient people counted by making marks on cave walls and tree barks
  • They made groups of 5, 10, 20, and 60 to count things
  • Ancient Indians created a method to write any number using only 10 symbols: 0, 1, 2, 3, 4, 5, 6, 7, 8, 9
2

Understanding 100

  • 100 is written as 'One Hundred'
  • 100 can be made by adding different pairs of numbers
  • Examples: 70 + 30 = 100, 45 + 55 = 100, 25 + 75 = 100
3

Numbers from 101 to 110

  • 101 is written as 'One Hundred One' (100 and 1)
  • 102 is written as 'One Hundred Two' (100 and 2)
  • Continue this pattern up to 110
4

Numbers from 111 to 200

  • Numbers from 111 to 119 follow the pattern: One Hundred + Teen numbers
  • 120 is 'One Hundred Twenty', 130 is 'One Hundred Thirty', etc.
  • 150 is 'One Hundred Fifty' (1 hundred, 5 tens, 0 ones)

Key Concepts

Thousands of years agoThe number 100 can be madeAfter 100In threeWe can show numbers using matchstick

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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.

Start by understanding all key concepts. Practise previous year questions from this chapter. Revise formulas and definitions regularly. Use flashcards for quick revision 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 Syllabus