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Test of Divisibility

ICSE · Class 4 · Mathematics

Step-by-step guide to study Test of Divisibility in ICSE Class 4 Mathematics. Topics to cover, practice strategy, and time allocation.

121 questions30 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 121 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 Test of Divisibility after a week. Use flashcards for quick recall. Solve previous year questions from this chapter.

What to Focus On

  • Check only the last digit.
  • If the last digit is 0, 2, 4, 6, or 8, the number is divisible by 2.

  • Add all the digits of the number.
  • If the sum is divisible by 3, the number is divisible by 3.

  • Check the last two digits only.
  • If the two-digit number is divisible by 4, the whole number is divisible by 4.

Common Mistakes to Avoid

If a number ends in 3, 6, or 9, it is divisible by 3.

A number divisible by 3 is also divisible by 6.

If a number ends in 5, it is divisible by 10.

Memory Tips

Divisibility by 2: Last digit must be even (0, 2, 4, 6, 8)

Divisibility by 3: Sum of digits divisible by 3

Divisibility by 5: Last digit is 0 or 5

Divisibility by 10: Last digit is 0

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Frequently Asked Questions

What are the important topics in Test of Divisibility for ICSE Class 4 Mathematics?
Test of Divisibility covers several key topics that are frequently asked in ICSE Class 4 board exams. Focus on the core concepts listed on this page and practise related questions to build confidence.
How to score full marks in Test of Divisibility — ICSE Class 4 Mathematics?
Understand the core concepts first, then work through the 121 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 Test of Divisibility

All 17 chapters — ICSE Class 4 Mathematics Study Plan

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