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Study Plan

Factors and Multiples — Study Plan

ICSE · Class 5 · Mathematics

A step-by-step study plan for Factors and Multiples, ICSE Class 5 Mathematics: what to learn first, what to practise and when to revise.

46 questions35 flashcards4 formulas & key relations4 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. Factors and Multiples, 2. Prime and Composite Numbers, 3. Co-prime and Twin Prime Numbers.

2
Day 3

Practise

Solve the textbook exercises and extra practice questions. There are 46 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 Factors and Multiples after a week. Use flashcards for quick recall and try past exam questions on this chapter.

What to Focus On

  • Even numbers are divisible by 2.
  • Odd numbers are not divisible by 2.
  • Examples: Even – 2, 4, 6, 8; Odd – 1, 3, 5, 7
  • A number is divisible by 2 if its last digit is even.
  • A number is divisible by 3 if the sum of its digits is divisible by 3.
  • A number is divisible by 4 if the last two digits form a number divisible by 4.
  • Prime numbers have exactly two factors: 1 and the number itself.
  • Composite numbers have more than two factors.
  • 2 is the only even prime number.

Common Mistakes to Avoid

1 is a prime number because it has only one factor.

All odd numbers are prime numbers.

HCF is always smaller than LCM, so I can just pick the smaller number.

Memory Tips

Even numbers are divisible by 2

Odd numbers are not divisible by 2

Prime numbers have only two factors: 1 and itself

2 is the only even prime number

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Frequently Asked Questions

What are the important topics in Factors and Multiples for ICSE Class 5 Mathematics?
Key topics in Factors and Multiples include Factors and Multiples, Prime and Composite Numbers, Co-prime and Twin Prime Numbers, HCF (Highest Common Factor). Study these first, then practise questions on each for Class 5 exams.
How should I revise Factors and Multiples for Class 5 exams?
Learn the core ideas first, then work through the 46 practice questions on Factors and Multiples. 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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