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Ratio and Proportion — Study Plan

ICSE · Class 7 · Mathematics

A step-by-step study plan for Ratio and Proportion, ICSE Class 7 Mathematics: what to learn first, what to practise and when to revise.

52 questions24 flashcards14 formulas & key relations5 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 ideas. Focus on: 1. Ratio: Meaning, Terms, and Simplest Form, 2. Converting Fractional Ratios and Sharing in a Ratio, 3. Ratio Problems Using L.C.M., H.C.F., and Unitary Method.

2
Day 3

Practise

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

3
Day 4

Revise & Test

Revise key points without looking at your notes. Take a practice quiz and mark weak areas for another pass.

4
Day 7

Spaced Revision

Come back to Ratio and Proportion after a week. Use flashcards for quick recall and try past exam questions on 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?
Key topics in Ratio and Proportion include Ratio: Meaning, Terms, and Simplest Form, Converting Fractional Ratios and Sharing in a Ratio, Ratio Problems Using L.C.M., H.C.F., and Unitary Method, Proportion, Extremes, Means, and Fourth Proportional. Study these first, then practise questions on each for Class 7 exams.
How should I revise Ratio and Proportion for Class 7 exams?
Learn the core ideas first, then work through the 52 practice questions on Ratio and Proportion. 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 Ratio and Proportion

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