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Suan Pan in Various Number Systems
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| http://www.cut-the-knot.org/Curriculum/Arithmetic/SuanPan.shtml | |
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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. | |
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| 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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