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|Karen M. Strom|
|The Mayans devised a counting system that was able to represent very large numbers by using only 3 symbols, a dot, a bar, and a symbol for zero, or completion, usually a shell. Charts here show the number cycle, as well as principles of arithmetic.|
|Levels:||Elementary, Middle School (6-8), High School (9-12)|
|Math Topics:||Number Sense/About Numbers, History and Biography|
|Math Ed Topics:||Multiculturalism|
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