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Ratio and Proportion

ICSE · Class 7 · Mathematics

Step-by-step guide to study Ratio and Proportion in ICSE Class 7 Mathematics. Topics to cover, practice strategy, and time allocation.

52 questions24 flashcards5 concepts

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Study Plan

1
Day 1–2

Learn the Theory

Read the textbook chapter carefully. Note down definitions, formulas, and key concepts.

2
Day 3

Practice Problems

Solve textbook exercises and additional practice questions. There are 52 questions available for this chapter.

3
Day 4

Revise & Test

Revise key formulas and concepts without looking at notes. Take a practice quiz to test your understanding. Mark weak areas for re-revision.

4
Day 7

Spaced Revision

Revisit Ratio and Proportion after a week. Use flashcards for quick recall. Solve previous year questions from this chapter.

What to Focus On

  • Ratio compares two quantities of the same kind and same unit.
  • The symbol of ratio is :
  • The first term is called antecedent and the second term is called consequent.

  • Fractional ratios can be changed into whole number ratios.
  • Multiply each term by the L.C.M. of the denominators.
  • The ratio remains unchanged if both terms are multiplied by the same non-zero number.

  • Add all terms of the ratio to get the total number of equal parts.
  • Each share is found as its term divided by the sum of all terms.
  • First convert fractional ratios into whole numbers if needed.

Common Mistakes to Avoid

A ratio can be formed between any two numbers, even if the quantities are of different kinds or units.

A ratio always has a unit because the quantities being compared have units.

The order of terms in a ratio does not matter, so 3 : 4 and 4 : 3 mean the same thing.

Memory Tips

Ratio means comparison of two quantities of the same kind and same unit

Ratio symbol and fraction form

Antecedent and consequent

Ratio is a pure number with no unit

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Frequently Asked Questions

What are the important topics in Ratio and Proportion for ICSE Class 7 Mathematics?
Ratio and Proportion 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 Ratio and Proportion — ICSE Class 7 Mathematics?
Understand the core concepts first, then work through the 52 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 Ratio and Proportion

All 25 chapters — ICSE Class 7 Mathematics Study Plan

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