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Syllabus

Percent and Percentage — Syllabus

ICSE · Class 8 · Mathematics

What Percent and Percentage covers in ICSE Class 8 Mathematics: 4 topics, for the 2026-27 session. Part of the ICSE Class 8 Mathematics syllabus.

82 questions24 flashcards7 formulas & key relations5 concepts

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4 Topics · ICSE Class 8 Mathematics · 2026-27

Topics in Percent and Percentage

1

1. Core Meaning and Basic Conversions

  • Percent means for every hundred and is written as % or p.c.
  • A percentage is a fraction whose denominator is 100.
  • The numerator of a percentage is called the rate percent.
2

2. Finding Percent, Whole, and Part

  • Direct method finds percent directly using part ÷ whole × 100%.
  • Alternative method often sets x% of a value equal to the given part.
  • The same problem can often be solved in more than one valid way.
3

3. Percentage Increase, Decrease, and Change

  • Increase % and decrease % are based on the original quantity.
  • Percentage change is change on 100, always measured relative to the original value.
  • If a number is decreased by x%, the new number equals (100 - x)/100 of the original.
4

4. Depreciation

  • Depreciation means yearly reduction in value by a fixed percent.
  • Depreciation is calculated on the value at the beginning of each year.
  • For the first year, subtract the depreciation from the present value.

Key Concepts

Central concept: Percent and Percentage

PercentPercentageConversion between formsFinding percent of a quantityIncrease and decrease percentSolved percent problemsDepreciationSuccessive percentage change

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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.

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