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Fractions

ICSE · Class 7 · Mathematics

Quick revision notes for Fractions — ICSE Class 7 Mathematics. Key concepts, formulas, and definitions for last-minute revision.

36 questions32 flashcards5 concepts

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Key Topics to Revise

1

1. Basic idea of fractions

  • A fraction shows part of a whole.
  • A fraction is written in the form a/b.
  • In a fraction a/b, a is the numerator and b is the denominator.
2

2. Fraction and rational number

  • A fraction has whole numbers in numerator and denominator, with denominator not equal to 0.
  • A rational number has integers in numerator and denominator, with denominator not equal to 0.
  • All fractions are rational numbers, but all rational numbers are not fractions.
3

3. Types of fractions

  • Decimal fraction: denominator is 10 or a higher power of 10.
  • Vulgar fraction: denominator is other than 10, 100, 1000, etc.
  • Proper fraction: denominator is greater than numerator.
4

4. Reducing fractions and equivalent fractions

  • A fraction must always be expressed in its lowest term.
  • To reduce a fraction to lowest terms, divide numerator and denominator by their HCF.
  • The value of a fraction does not change if both numerator and denominator are multiplied or divided by the same non-zero number.

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Full Notes

Key Concepts

A fraction is a numberAll fractions are rational numbersDecimal fractions have denominators thatA fraction must always be expressedFractions having the same value

Frequently Asked Questions

What are the important topics in Fractions for ICSE Class 7 Mathematics?
Key topics in Fractions include Types of Fractions — Complete Classification, Fractions - Concept Hierarchy and Relationships, Complete Overview of Fractions Chapter. These are the concepts ICSE Class 7 examiners draw on most — study them first, then practise related questions.
How to score full marks in Fractions — ICSE Class 7 Mathematics?
Understand the core concepts first, then work through the 36 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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