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Suan Pan in Various Number Systems

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Visit this site: http://www.cut-the-knot.org/Curriculum/Arithmetic/SuanPan.shtml

Author:Interactive Mathematics Miscellany and Puzzles, Alexander Bogomolny
Description: 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)
Languages: English
Resource Types: Simulations, Web Interactive/Java
Math Topics: Basic Operations, Place Value

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