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Chapter 7 of 22
Revision Notes

Unitary Method — Revision Notes

ICSE · Class 5 · Mathematics

Unitary Method revision notes for ICSE Class 5 Mathematics: 2 topics in quick points. Part of the ICSE Class 5 Mathematics syllabus.

52 questions30 flashcards3 formulas & key relations3 concepts

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Key Topics to Revise

1

What is the Unitary Method?

  • Unitary means 'one unit'.
  • We first find the value of one item, then use it to find the value of many.
  • If more items, we multiply. If fewer items, we divide.
2

Direct and Inverse Variations in Unitary Method

  • In direct variation, more units mean more value (e.g., more pens, more cost).
  • In inverse variation, more people or speed means less time (e.g., more workers, less time to finish work).
  • For inverse problems, first find total work in 'one-person' or 'one-day' terms.

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Full Notes

Key Concepts

The word 'unitary' comes from 'unit'When one quantity increasesWhen one quantity increases

Frequently Asked Questions

What are the important topics in Unitary Method for ICSE Class 5 Mathematics?
Key topics in Unitary Method include What is the Unitary Method?, Direct and Inverse Variations in Unitary Method. Study these first, then practise questions on each for Class 5 exams.
How should I revise Unitary Method for Class 5 exams?
Learn the core ideas first, then work through the 52 practice questions on Unitary Method. 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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