Skip to main content
Super TutorResources
Chapter 7 of 25
Chapter Summary

Percent and Percentage — Chapter Summary

ICSE · Class 8 · Mathematics

Summary of Percent and Percentage for ICSE Class 8 Mathematics. Part of the ICSE Class 8 Mathematics syllabus.

82 questions24 flashcards7 formulas & key relations5 concepts

Interactive on Super Tutor

Studying Percent and Percentage? Get the full interactive chapter.

Quizzes, flashcards, AI doubt-solver and a step-by-step study plan — built for chapter summary and more.

Try Super Tutor — Free

Free trial, no card needed.

Overview

Percent means for every hundred, and the symbol % is used to show it. Percentage is a fraction with denominator 100, and its numerator is called the rate percent. Percent and percentage are used in the same sense in practice. The chapter builds the link between fractions, decimals, and percentages,

Key Concepts

Percent means for every hundred

Percent means for every hundred. It is abbreviated as p.c. and written with the symbol %. For example, 45% means 45 out of 100.

A percentage is a fraction whose

A percentage is a fraction whose denominator is 100. The numerator of such a fraction is called the rate percent. For example, 8/100 is 8 percent.

To express a given number as

To express a given number as percent, multiply by 100 and attach %. To express a percent into a fraction, divide by 100 and remove the % sign. For exa

The formula is x as

The formula is x as the percent of y = x/y × 100%. This is used when the part and whole are known and the required answer is the percent.

The formula is x% of y

The formula is x% of y = x/100 × y. This is used to find a part of a whole quantity.

Learning Objectives

  • Understand the meaning of percent, percentage, and rate percent
  • Convert fractions and decimals into percentages and convert percentages into fractions or decimals
  • Find a percent of a given quantity and find what percent one number is of another
  • Solve percentage problems using direct, alternative, unitary, and algebraic methods
  • Calculate percentage increase and percentage decrease using original value as the base

Frequently Asked Questions

What are the important topics in Percent and Percentage for ICSE Class 8 Mathematics?
Key topics in Percent and Percentage include Core Meaning and Basic Conversions, Finding Percent, Whole, and Part, Percentage Increase, Decrease, and Change, Depreciation. Study these first, then practise questions on each for Class 8 exams.
How should I revise Percent and Percentage for Class 8 exams?
Learn the core ideas first, then work through the 82 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 8 Mathematics Chapter Summary

For serious students

Get the full Percent and Percentage chapter — start free.

Quizzes, flashcards, an AI doubt solver and a study plan for ICSE Class 8 Mathematics. Free to start, no card needed.

Try Super Tutor Free
Try this chapter free