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Numbers — Syllabus

ICSE · Class 4 · Mathematics

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

43 questions25 flashcards4 formulas & key relations5 concepts

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4 Topics · ICSE Class 4 Mathematics · 2026-27

Topics in Numbers

1

Indian and International Number Systems

  • In the Indian system, numbers are grouped into periods: Ones, Thousands, Lakhs, and Crores.
  • In the International system, numbers are grouped into: Ones, Thousands, and Millions.
  • 1 Lakh = 100,000 (6-digit number)
2

Expanded and Short Form of Numbers

  • Expanded form means writing a number as the sum of the place values of each digit.
  • Short form is the usual way we write numbers (standard form).
  • Zeros in the middle of a number must be included in expanded form.
3

Comparing and Ordering Numbers

  • To compare numbers, start from the leftmost digit.
  • More digits mean a larger number (e.g., 6-digit > 5-digit).
  • If digits are equal, move to the next digit on the right.
4

Formation of Largest and Smallest Numbers

  • To make the largest number: arrange digits in descending order.
  • To make the smallest number: arrange digits in ascending order.
  • If 0 is one of the digits, it cannot be the first digit — place it second.

Key Concepts

Central concept: Understanding Large Numbers

Indian Number SystemInternational Number SystemPlace Value and Face ValueExpanded Form and Short FormComparing NumbersAscending and Descending OrderFormation of NumbersAbacus Representation

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Frequently Asked Questions

What are the important topics in Numbers for ICSE Class 4 Mathematics?
Key topics in Numbers include Indian and International Number Systems, Expanded and Short Form of Numbers, Comparing and Ordering Numbers, Formation of Largest and Smallest Numbers. Study these first, then practise questions on each for Class 4 exams.
How should I revise Numbers for Class 4 exams?
Learn the core ideas first, then work through the 43 practice questions on Numbers. 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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All ICSE Class 4 Mathematics Syllabus

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