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Formula Sheet

A Story of Numbers — Formula Sheet

CBSE · Class 8 · Mathematics

6 formulas from A Story of Numbers (CBSE Class 8 Mathematics) on one page, grouped by topic. Part of the CBSE Class 8 Mathematics syllabus.

113 questions70 flashcards6 formulas & key relations5 concepts

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6 Entries · 2 Sections

Formulas and Key Relations

3. Roman Number System

27 = 10 + 10 + 5 + 1 + 1 → XXVII

4. Base Systems: Egyptian, Mesopotamian, Mayan, Chinese, Hindu

3426 = 1000 + 1000 + 1000 + 100 + 100 + 100 + 100 + 10 + 10 + 1 + 1 + 1 + 1 + 1 + 1

640 = (10) × 60 + 40

= (4) × 360 + (11) × 20 + (3) × 10 = 1660

2634 = (2) × 10^3 + (6) × 10^2 + (3) × 10 + (4) × 1

375 = (3) × 10^2 + (7) × 10 + (5) × 1

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Frequently Asked Questions

What are the important topics in A Story of Numbers for CBSE Class 8 Mathematics?
Key topics in A Story of Numbers include Early Ways of Counting and Representing Numbers, Number Systems Before the Hindu System, The Idea of Base and Place Value, Zero and the Hindu Number System. Study these first, then practise questions on each for Class 8 exams.
How many formulas are in A Story of Numbers?
This sheet lists 6 formulas from A Story of Numbers, grouped by topic. Learn what each symbol stands for so you can apply the formula, not just recall it.
How should I revise A Story of Numbers for Class 8 exams?
Learn the core ideas first, then work through the 113 practice questions on A Story of 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 A Story of Numbers

All CBSE Class 8 Mathematics Formula Sheet

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