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Double Century

CBSE · Class 3 · Mathematics

Step-by-step guide to study Double Century in CBSE Class 3 Mathematics. Topics to cover, practice strategy, and time allocation.

44 questions64 flashcards5 concepts

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Study Plan

1
Day 1–2

Learn the Theory

Read the textbook chapter carefully. Note down definitions, formulas, and key concepts.

2
Day 3

Practice Problems

Solve textbook exercises and additional practice questions. There are 44 questions available for this chapter.

3
Day 4

Revise & Test

Revise key formulas and concepts without looking at notes. Take a practice quiz to test your understanding. Mark weak areas for re-revision.

4
Day 7

Spaced Revision

Revisit Double Century after a week. Use flashcards for quick recall. Solve previous year questions from this chapter.

What to Focus On

  • People first counted by marks on walls and tree bark.
  • Groups of 5, 10, 20, and 60 were used to keep records.
  • Only ten symbols are needed to write any number.

  • 100 can be made by adding two parts.
  • A number line helps show jumps that complete 100.
  • Bundles and loose sticks help show place value.

  • 100 can be joined with ones to make new numbers.
  • 101 means 100 and 1.
  • 102 means 100 and 2.

Common Mistakes to Avoid

Clap means 10, snap means 100, and pat means 1.

Talking Pot says the same number back, not one more.

100 and 1 is called 110 because the 1 is added to 100.

Memory Tips

Zero means nothing and helps number writing work

Ancient Indians used ten symbols 0 to 9

Numbers can be written using only 0 to 9

The number system is used everywhere in every country

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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.
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.

More resources for Double Century

All 14 chapters — CBSE Class 3 Mathematics Study Plan

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