Building and Using the Amazing Abacus. (A Teacher's Journal).

From: Teaching Children Mathematics | Date: December 1, 2001| Author: Naylor, Michael; Naylor, Pamela | Copyright information

The abacus has been used for centuries in Asia and is still an essential part of education and commerce in many Asian countries. Abacus is a Latin word that comes from the Greek abax, meaning "table," and possibly from the Hebrew abaq, which means "dust." Long ago, calculations were done by writing in sand or dust sprinkled on a table or by manipulating stones on a table. A counting stone was called a calculus, from which the word calculate originates. The abacus as we know it toda...

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