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Revision Notes

Test of Divisibility — Revision Notes

ICSE · Class 4 · Mathematics

Test of Divisibility revision notes for ICSE Class 4 Mathematics: 3 topics in quick points. Part of the ICSE Class 4 Mathematics syllabus.

121 questions30 flashcards5 concepts

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Key Topics to Revise

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.

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Full Notes

Key Concepts

A number is divisible by 2Add all the digits ofA number is divisible by 5A number is divisible by 6Add all the digits of

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 Revision Notes

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