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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.

45 questions22 flashcards5 concepts

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Key Topics to Revise

1

Understanding Place Value System

  • The Indian number system uses only 10 digits (0, 1, 2, 3, 4, 5, 6, 7, 8, 9) to write all numbers
  • Place value positions from right to left: Ones (O), Tens (T), Hundreds (H), Thousands (Th)
  • Each position has a value 10 times greater than the position to its right
2

Reading and Writing 4-Digit Numbers

  • 4-digit numbers range from 1000 to 9999
  • The leftmost digit represents thousands
  • Read from left to right: thousands, hundreds, tens, ones
3

Grouping and Regrouping

  • 10 ones = 1 ten
  • 10 tens = 1 hundred
  • 10 hundreds = 1 thousand
4

Comparing 4-Digit Numbers

  • Compare digits starting from the leftmost (thousands) position
  • If thousands digits are same, compare hundreds digits
  • Continue this pattern: hundreds → tens → ones

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Full Notes

Key Concepts

One thousand is written as 10004Numbers can be written in expandedWhen we have more than 9To compare numbers

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 45 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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