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Visit this site: http://www.wasan.jp/english/

Author:Hiroshi Kotera
Description: Click on the map of Japan to see photographs of sangaku -- Euclidean geometry theorems rendered as colored drawings on wooden tablets, and hung in shrines or temples -- dating to the Edo period (1603-1867). Also, learn how to use counting rods, called sangi. Available in Japanese.

Levels: Middle School (6-8), High School (9-12)
Languages: English, Japanese
Resource Types: Graphics, Field Trips
Math Topics: Euclidean Plane Geometry, History and Biography

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