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Numbers — Syllabus

ICSE · Class 3 · Mathematics

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

42 questions30 flashcards5 formulas & key relations5 concepts

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4 Topics · ICSE Class 3 Mathematics · 2026-27

Topics in Numbers

1

Place Value and Face Value

  • Each digit in a number has a place value based on its position.
  • The places from right to left are: Ones (O), Tens (T), Hundreds (H), Thousands (Th), and Ten Thousands (TTh).
  • Place value = digit × value of its place (e.g., 5 in hundreds place = 5 × 100 = 500).
2

Expanded and Compact Form

  • Expanded form means writing a number as the sum of the place values of its digits.
  • Compact form (or standard form) is the usual way of writing a number.
  • If a place has 0, we skip it in expanded form (e.g., 2047 = 2000 + 40 + 7).
3

Comparing and Arranging Numbers

  • To compare two numbers, start from the leftmost digit (highest place).
  • If digits are the same, move to the next place on the right.
  • Ascending order = smallest to greatest.
4

Forming Greatest and Smallest Numbers

  • To form the greatest number: arrange digits in descending order.
  • To form the smallest number: arrange digits in ascending order.
  • If 0 is one of the digits, it cannot be placed at the beginning (leftmost).

Key Concepts

Central concept: Numbers

Place ValueFace ValueExpanded FormAbacus RepresentationComparison of NumbersArranging NumbersForming NumbersWriting Numbers in Words and Figures

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Frequently Asked Questions

What are the important topics in Numbers for ICSE Class 3 Mathematics?
Key topics in Numbers include Place Value and Face Value, Expanded and Compact Form, Comparing and Arranging Numbers, Forming Greatest and Smallest Numbers. Study these first, then practise questions on each for Class 3 exams.
How should I revise Numbers for Class 3 exams?
Learn the core ideas first, then work through the 42 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 3 Mathematics Syllabus

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