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Variations on the Egyptian System
Last updated at August 14, 2026 by Teachoo
Variations on the Egyptian System and the Notion of Base
Ganita Prakash Class 8 - Part 1, 2
Chapter 3 Class 8 - A Story of Numbers (Ganita Prakash)
- Introduction
- The Mechanism of Counting
- Some Early Number Systems
- Roman Numerals
- Figure it out - Page 60, 61
- Egyptian Number System
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Variations on the Egyptian System and the Notion of Base
- Adding Egyptian Numerals
- Multiplying Egyptian Numerals
- Distributive Law – For Egyptian Numerals
- Abacus that Makes Use of the Decimal System
- Shortcomings of the Egyptian System
- Figure it out - Page 69
- Mesopotamian Number System
- Mayan Number System
- Chinese Number System
- Hindu Number System
- Evolution of Ideas in Number Representation
- Figure it out - Page 80
Transcript
Variations on the Egyptian SystemIn Egyptian Number System, we used Landmark numbers as 10 times previous number Let’s use Landmark numbers as 5 times previous numbers So, our numbers would be Powers of 5 Variation in Egyptian Numbers Writing Numbers in Variation of Egyptian System Lets take some examples Express the number 143 in this new system. 143 = 125 + 18 = 125 + 15 + 3 = 125 + 5 × 3 + 1 × 3 = Converting Numbers from Variation of Egyptian System to Hindu Number System Lets take some examples Convert to Hindu Number System The number is Number = 3 × 125 + 25 + 5 × 2 + 1 × 2 = 375 + 25 + 10 + 2 = 412
