Suan Pan in Various Number Systems
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|Interactive Mathematics Miscellany and Puzzles, Alexander Bogomolny|
|A Java simulation of the Chinese Soroban--a far eastern analogue of the traditional abacus. By splitting the field into two parts--the earth and the heaven--Soroban cleverly reduces the number of items that represent a single digit. The simulation enforces carrying, thus helping students grasp the concept of the positional, decimal in particular, number system.|
|Levels:||Late Elem. (3-5), Middle School (6-8)|
|Resource Types:||Simulations, Web Interactive/Java|
|Math Topics:||Basic Operations, Place Value|
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