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Chapter 8 of 17
Syllabus

Test of Divisibility — Syllabus

ICSE · Class 4 · Mathematics

What Test of Divisibility covers in ICSE Class 4 Mathematics: 3 topics, for the 2026-27 session. Part of the ICSE Class 4 Mathematics syllabus.

121 questions30 flashcards5 concepts

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3 Topics · ICSE Class 4 Mathematics · 2026-27

Topics in Test of Divisibility

1

Divisibility by 2, 5, and 10

  • A number is divisible by 2 if its last digit is even (0, 2, 4, 6, 8).
  • A number is divisible by 5 if its last digit is 0 or 5.
  • A number is divisible by 10 if its last digit is 0.
2

Divisibility by 3 and 9

  • Add all the digits of the number. If the sum is divisible by 3, the number is divisible by 3.
  • If the sum of digits is divisible by 9, the number is divisible by 9.
3

Divisibility by 6

  • A number is divisible by 6 only if it is divisible by both 2 and 3.
  • First, check if the last digit is even (divisible by 2), then check if the digit sum is divisible by 3.

Key Concepts

Central concept: Divisibility Rules

Divisibility by 2Divisibility by 3Divisibility by 4Divisibility by 5Divisibility by 6Divisibility by 9Divisibility by 10

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Frequently Asked Questions

What are the important topics in Test of Divisibility for ICSE Class 4 Mathematics?
Key topics in Test of Divisibility include Divisibility by 2, 5, and 10, Divisibility by 3 and 9, Divisibility by 6. Study these first, then practise questions on each for Class 4 exams.
How should I revise Test of Divisibility for Class 4 exams?
Learn the core ideas first, then work through the 121 practice questions on Test of Divisibility. 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 Test of Divisibility

All ICSE Class 4 Mathematics Syllabus

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