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Fractions in Disguise — Study Plan

CBSE · Class 8 · Mathematics

A step-by-step study plan for Fractions in Disguise, CBSE Class 8 Mathematics: what to learn first, what to practise and when to revise.

82 questions84 flashcards7 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: 5. Interest, Simple Interest Pattern, Compounding, and Depreciation.

2
Day 3

Practise

Solve the textbook exercises and extra practice questions. There are 82 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 Fractions in Disguise after a week. Use flashcards for quick recall and try past exam questions on this chapter.

What to Focus On

  • Percent means 'per hundred'.
  • Percentages are fractions with denominator 100.
  • 50% = 1/2 = 0.5.
  • A ratio can be converted to a fraction and then to a percentage.
  • Estimation helps before exact calculation.
  • 2/9 is a little less than 25% and greater than 20%.
  • Use the same base quantity throughout.
  • Multiply by y/100 to find y% of any value.
  • Proportional reasoning and decimal multiplication give the same result.

Common Mistakes to Avoid

A larger raw score always means better performance.

A bigger number of marks lost always means the student performed worse.

Percentage of a quantity means just the number itself, so 25% of 120 is 25 or 120 × 25.

Memory Tips

Percent means per hundred

50% equals one-half and 0.5

Convert a fraction to a percentage

y% of a value

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Frequently Asked Questions

What are the important topics in Fractions in Disguise for CBSE Class 8 Mathematics?
Key topics in Fractions in Disguise include Percent means per centum, A fraction can be changed into, The rule is y% of value, Scores or quantities with different total. Study these first, then practise questions on each for Class 8 exams.
How should I revise Fractions in Disguise for Class 8 exams?
Learn the core ideas first, then work through the 82 practice questions on Fractions in Disguise. 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 Fractions in Disguise

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