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Study Plan

Finding Common Ground — Study Plan

CBSE · Class 7 · Mathematics

A step-by-step study plan for Finding Common Ground, CBSE Class 7 Mathematics: what to learn first, what to practise and when to revise.

54 questions70 flashcards9 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. HCF: Highest Common Factor, 2. Prime Factorisation and the Division Method, 3. LCM: Lowest Common Multiple.

2
Day 3

Practise

Solve the textbook exercises and extra practice questions. There are 54 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 Finding Common Ground after a week. Use flashcards for quick recall and try past exam questions on this chapter.

What to Focus On

  • HCF means the greatest common factor.
  • HCF and GCD mean the same thing.
  • The largest square tile that fits both dimensions of a rectangle uses the HCF of the two lengths.
  • A prime has exactly two factors: 1 and itself.
  • Prime factorisation writes a number as a product of primes.
  • The division method is a stepwise way to find prime factorisation.
  • All factors can be built from the prime factors.
  • Every subpart of the prime factorisation gives a factor.
  • 1 is always a factor.

Common Mistakes to Avoid

The largest common factor is always the smaller number in the pair.

Any number that is a common factor can be called the HCF.

To find HCF using prime factorisation, the highest powers of common primes should be taken.

Memory Tips

HCF definition

LCM definition

Factors of 12 and 16

Sameeksha tile problem

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Frequently Asked Questions

What are the important topics in Finding Common Ground for CBSE Class 7 Mathematics?
Key topics in Finding Common Ground include HCF: Highest Common Factor, Prime Factorisation and the Division Method, LCM: Lowest Common Multiple, Patterns, General Statements, and Special Properties. Study these first, then practise questions on each for Class 7 exams.
How should I revise Finding Common Ground for Class 7 exams?
Learn the core ideas first, then work through the 54 practice questions on Finding Common Ground. 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 Finding Common Ground

All CBSE Class 7 Mathematics Study Plan

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