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Revision Notes

Thousands Around Us

CBSE · Class 4 · Mathematics

Quick revision notes for Thousands Around Us — CBSE Class 4 Mathematics. Key concepts, formulas, and definitions for last-minute revision.

40 questions56 flashcards5 concepts

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Key Topics to Revise

1

1. Reading and writing numbers up to 1000 and beyond

  • Numbers are read in the order Thousand, Hundred, Tens, Ones.
  • The Indian number system was designed to write all numbers, however large, using just ten symbols.
  • Before numbers beyond 1000, numbers from 1 to 999 were already learned.
2

2. Thousands around us

  • Jaspreet and Gulnaz expect around one thousand people to be fed at the langar.
  • Fifty-five people volunteer to serve during the langar event.
  • India has 788 districts.
3

3. Building numbers with tokens and arrow cards

  • Tokens and Dienes blocks help show ones, tens, hundreds, and thousands.
  • Zoltán Pál Dienes was a Hungarian mathematician and educator who developed Dienes blocks.
  • Dienes blocks are used to show number values and understand place value.
4

4. Breaking up 1000 and regrouping

  • 1000 can be made from smaller numbers such as 900, 800, 850, 760, or 400 plus more.
  • Regrouping means changing ones into tens, tens into hundreds, and hundreds into thousands.
  • 14 Ones = 1 Ten + 4 Ones = 14.

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Full Notes

Key Concepts

The Indian number system was designedNumbers are read and written fromZero shows that a place hasA number can be broken intoArrow cards show how a number

Frequently Asked Questions

What are the important topics in Thousands Around Us for CBSE Class 4 Mathematics?
Thousands Around Us covers several key topics that are frequently asked in CBSE Class 4 board exams. Focus on the core concepts listed on this page and practise related questions to build confidence.
How to score full marks in Thousands Around Us — CBSE Class 4 Mathematics?
Understand the core concepts first, then work through the 40 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 4 Mathematics Revision Notes

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