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Chapter Summary

Unitary Method

ICSE · Class 7 · Mathematics

Summary of Unitary Method for ICSE Class 7 Mathematics. Key concepts, important points, and chapter overview.

42 questions20 flashcards5 concepts

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Overview

The unitary method is a way of finding the value of one unit first and then using it to find the required value. It is useful in problems involving money, cloth, men doing work, speed, time, cargo, watches, horses, and pipes. Two main types of variation appear in such problems: direct variation and

Key Concepts

The method in which the value

The method in which the value of a unit quantity is first calculated to get the value of a required quantity is called the unitary method.

Increase in one quantity causes increase

Increase in one quantity causes increase in the other and decrease in one quantity causes decrease in the other.

Increase in one quantity causes decrease

Increase in one quantity causes decrease in the other and decrease in one quantity causes increase in the other.

one day's work = (1) /

one day's work = (1) / (No. of days required to complete the work)

number of days required to complete

number of days required to complete a work = (1) / (One day work)

Learning Objectives

  • Understand the meaning of the unitary method
  • Identify direct variation and inverse variation
  • Use the unitary method to solve money, cloth, and work problems
  • Apply arrow method for direct and inverse variation
  • Convert units correctly before solving time-based problems

Frequently Asked Questions

What are the important topics in Unitary Method for ICSE Class 7 Mathematics?
Unitary Method covers several key topics that are frequently asked in ICSE Class 7 board exams. Focus on the core concepts listed on this page and practise related questions to build confidence.
How to score full marks in Unitary Method — ICSE Class 7 Mathematics?
Understand the core concepts first, then work through the 42 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.

More resources for Unitary Method

All 25 chapters — ICSE Class 7 Mathematics Chapter Summary

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