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| Arithmetic Teacher | 1 |
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| Zepp, Raymond A. | 1 |
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| Guides - Classroom - Teacher | 1 |
| Journal Articles | 1 |
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| Practitioners | 1 |
| Teachers | 1 |
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| Peru | 1 |
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Peer reviewedZepp, Raymond A. – Arithmetic Teacher, 1992
Describes the Quipu, a mathematical device invented by the Incas of Peru that used the base-10 number system to store information. Suggests ways of incorporating material on the quipu into the arithmetic class. (MDH)
Descriptors: Arithmetic, Coding, Cultural Activities, Cultural Education
