One conjecture holds that it is a compound of the Greek element '-gram' derived from γράμμα ('written character, letter, that which is drawn') with the 'tan-' element being variously conjectured to be Chinese t'an 'to extend' or Cantonese t'ang 'Chinese'. The origin of the English word 'tangram' is unclear. It is one of the most widely recognized dissection puzzles in the world and has been used for various purposes including amusement, art, and education. It became very popular in Europe for a time, and then again during World War I. It is reputed to have been invented in China sometime around the late 18th century and then carried over to America and Europe by trading ships shortly after. Alternatively the tans can be used to create original minimalist designs that are either appreciated for their inherent aesthetic merits or as the basis for challenging others to replicate its outline. The objective is to replicate a pattern (given only an outline) generally found in a puzzle book using all seven pieces without overlap. 'seven boards of skill') is a dissection puzzle consisting of seven flat polygons, called tans, which are put together to form shapes. The tangram ( Chinese: 七巧板 pinyin: qīqiǎobǎn lit. Like most modern sets, this wooden tangram is stored in the square configuration.
For other uses, see Tangram (disambiguation).
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