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Chapter 6 of 13
Formula Sheet

Subtraction — Formula Sheet

ICSE · Class 1 · Mathematics

2 formulas from Subtraction (ICSE Class 1 Mathematics) on one page, grouped by topic. Includes For example, in 72 − 20.

133 questions25 flashcards2 formulas & key relations4 concepts

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2 Entries · 1 Section

Formulas and Key Relations

Key relations

So, 8 − 3 = 5.

For example, in 72 − 20, subtract ones

2 − 0 = 2, then tens: 7 − 2 = 5.

Full sheet with units and worked examples

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Frequently Asked Questions

What are the important topics in Subtraction for ICSE Class 1 Mathematics?
Key topics in Subtraction include What is Subtraction?, Methods of Subtraction, Types of Subtraction Problems. Study these first, then practise questions on each for Class 1 exams.
How many formulas are in Subtraction?
This sheet lists 2 formulas from Subtraction, grouped by topic. Learn what each symbol stands for so you can apply the formula, not just recall it.
How should I revise Subtraction for Class 1 exams?
Learn the core ideas first, then work through the 133 practice questions on Subtraction. 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 Subtraction

All ICSE Class 1 Mathematics Formula Sheet

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