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Zaslavsky, Claudia; Crespo, Bianka – Mathematics Teaching in the Middle School, 2000
Describes a project in which students explore the Inka data recording system of knotted cords called quipus to reinforce understanding of place value. (YDS)
Descriptors: Cross Cultural Studies, Lesson Plans, Mathematics Activities, Mathematics Instruction
Peer reviewed
Ascher, Marcia – Mathematics Magazine, 1992
Discusses two mathematical ideas that come from the Incan and Mayan cultures: (1) the quipus, an Incan recordkeeping tool that encoded data via a logical-numerical system on spatial arrays of colored, knotted cords; and (2) the link between recording time and counting in the Mayan culture. (MDH)
Descriptors: Coding, Data Processing, Foreign Culture, Higher Education