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| Title: | The Abacus: The Art of Calculating with Beads | |
| Description: | Introduces the abacus, relates its history, and shows how to perform basic mathematical operations on it. Also answers questions about the ancient tool and shows how to build one with Legos. | ||
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Category: |
Kids and Teens > School Time > Math | ||
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URL: |
http://www.ee.ryerson.ca:8080/~elf/abacus/ |
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