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Percent and Percentage — Chapter Summary

ICSE · Class 7 · Mathematics

Summary of Percent and Percentage for ICSE Class 7 Mathematics. Part of the ICSE Class 7 Mathematics syllabus.

60 questions28 flashcards9 formulas & key relations5 concepts

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Overview

Percent means per hundred or out of hundred. The symbol used for percent is %. A percent compares a quantity with 100 as the base. Fractions, decimals, ratios, and percentages are all different ways of representing values, and each form can be converted into another by using the correct rule. One qu

Key Concepts

The word cent means hundred

The word cent means hundred. Percent means per hundred or out of hundred. Five percent is written as 5%.

Multiply the value by 100

Multiply the value by 100 and write the percent sign. For example, 0.3 becomes 30%, and 3/4 becomes 75%.

Divide the percent by 100

Divide the percent by 100 and remove the % sign. For example, 120% = 120/100 = 6/5, and 37% = 0.37.

First make sure both quantities

First make sure both quantities are in the same unit. Then use the fraction x/y and multiply by 100%. For example, 40 p as a percent of ₹6 is found by

Use p% of N = (p/100)

Use p% of N = (p/100) × N. For example, 20% of 60 = 12.

Learning Objectives

  • Understand the meaning of percent and the symbol %
  • Convert fractions, decimals, and ratios into percentages
  • Convert percentages into fractions and decimals
  • Find one quantity as a percent of another
  • Calculate percentage of a quantity

Frequently Asked Questions

What are the important topics in Percent and Percentage for ICSE Class 7 Mathematics?
Key topics in Percent and Percentage include Basic idea of percent, Converting between fraction, decimal, ratio and percent, One quantity as a percent of another, Percentage of a quantity. Study these first, then practise questions on each for Class 7 exams.
How should I revise Percent and Percentage for Class 7 exams?
Learn the core ideas first, then work through the 60 practice questions on Percent and Percentage. 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.

More resources for Percent and Percentage

All ICSE Class 7 Mathematics Chapter Summary

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