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![[A Story of Numbers] Use of Body Parts - [Ganita Prakash Class 8] - Some Early Number Systems](https://cdn.teachoo.com/7e1132f2-e752-443b-9d6a-5db00ac0800a/slide41.jpg)
Use of Body Parts
Last updated at November 19, 2025 by Teachoo
Class 8 (Ganita Prakash & Old NCERT)
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
Transcript
Use of Body PartsOne method of counting was to use hands and other body parts as a "standard sequence/number system". Many groups across the world have done this. The text gives a specific example of a group in Papua New Guinea, where 27 different points on the hands, arms, and head are used to represent numbers 1 through 27.
