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Revision Notes

The Cleanest Village

CBSE · Class 4 · Mathematics

Quick revision notes for The Cleanest Village — CBSE Class 4 Mathematics. Key concepts, formulas, and definitions for last-minute revision.

40 questions50 flashcards5 concepts

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Key Topics to Revise

1

1. Addition in Daily Life

  • Addition is used to find the total of two or more amounts.
  • Daisy and Lou bought a large piece of pusaw for ₹38 and a small piece for ₹16.
  • The total spending on pusaw is found by adding the two amounts.
2

2. Subtraction and Finding Balance

  • Subtraction is used to find what is left, what is missing, or the difference between two amounts.
  • If ₹150 is paid for a cost of ₹113, the balance is ₹37.
  • If Lou and Daisy brought ₹310 and spent the rest, the money spent is ₹131.
3

3. Word Problems with Two-Step Thinking

  • Some questions need careful reading before choosing the operation.
  • Ram Chacha had 264 mangoes last year and 527 this year, so subtraction is used to find how many more mangoes he got this year.
  • Ranganna made 639 dolls and sold 531, so subtraction is used to find how many are left.
4

4. Number Pairs and Simple Number Thinking

  • A number pair has two numbers next to each other, vertically or horizontally.
  • 111 and 185 are number pairs.
  • 48 and 185 are also number pairs.

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Full Notes

Key Concepts

Addition joins groups to findSubtraction finds what is leftRegrouping means changing 10 ones intoMany problems are written as storiesComparison tells which group is bigger

Frequently Asked Questions

What are the important topics in The Cleanest Village for CBSE Class 4 Mathematics?
The Cleanest Village 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 The Cleanest Village — 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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