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Formula Sheet

Numbers — Formula Sheet

ICSE · Class 3 · Mathematics

5 formulas from Numbers (ICSE Class 3 Mathematics) on one page, grouped by topic. Part of the ICSE Class 3 Mathematics syllabus.

42 questions30 flashcards5 formulas & key relations5 concepts

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5 Entries · 4 Sections

Formulas and Key Relations

Expanded & Compact Form

Number = Thousands + Hundreds + Tens + Ones

Place Value and Face Value

Place value = digit × value of its place (e.g., 5 in hundreds place = 5 × 100 = 500).

Expanded and Compact Form

If a place has 0, we skip it in expanded form (e.g., 2047 = 2000 + 40 + 7).

Key relations

For example, 2345 = 2000 + 300 + 40 + 5.

For example, 7000 + 400 + 50 + 8 = 7458.

Full sheet with units and worked examples

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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 many formulas are in Numbers?
This sheet lists 5 formulas from Numbers, grouped by topic. Learn what each symbol stands for so you can apply the formula, not just recall it.
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.

More resources for Numbers

All ICSE Class 3 Mathematics Formula Sheet

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