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Fractions — Revision Notes

ICSE · Class 7 · Mathematics

Fractions revision notes for ICSE Class 7 Mathematics: 4 topics in quick points. Part of the ICSE Class 7 Mathematics syllabus.

36 questions32 flashcards10 formulas & key relations5 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 Basic idea of fractions, Fraction and rational number, Types of fractions, Reducing fractions and equivalent fractions. Study these first, then practise questions on each for Class 7 exams.
How should I revise Fractions for Class 7 exams?
Learn the core ideas first, then work through the 36 practice questions on Fractions. Revise 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 ICSE Class 7 Mathematics Revision Notes

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