By Fracesco Carion, CONTI TATIANA, ILARIA NOBLE, Gorra GIULIA
Tangram is a Chinese puzzle. Its name means "The seven stones of wisdom." E 'found a very old game. The legend says that a monaco gave his disciple a square of porcelain and a brush, telling traveling and painting on porcelain beauty that he met on his journey. The disciple, excited, dropped the square, breaking it into seven pieces. In an attempt to repair it, formed interesting shapes. He realized then that he did not need to travel, because it could represent the beauty of the world with the seven tangram pieces.
In 'Ancient China, the infinite was represented by a square with no sides. And the square was born the most famous puzzle of the story: Tangram, known as the "Square of the seven tricks" or "The square of wisdom" because it was said that command of this game was the key to wisdom and talent.
This game is very simple to construct: simply divide a square into seven parts: two small triangles, 1 medium, 2 large, a parallelogram and a square. With the seven pieces thus obtained can build thousands of different figures.
changing the position of the pieces of the game you can get an infinite number of shapes, some geometric, reminiscent of other everyday objects ... so you can build different figures, always following the rules:
- All parts must be used ;
- not allowed to overlap the pieces.
The quality and interest of Tangram derived from the variety of forms, both geometric and figurative, that you can get with the seven pieces that comprise it, pieces which have geometric shapes. Among the measures of these pieces are no precise relationship which, if not met, can not deliver the objectives required. Tangram is possible to get through two games.
In the first way you need to find the arrangement of parts that make up a given geometric figure which is only known from the boundary. With this activity requires geometric intuition and calculation skills.
In the second task is trying to make shapes of objects, people, animals, trying to achieve maximum expressiveness and the best detail of the details. This game is played imagination and capacity for synthesis.
In stores you can find the game Tangram made of wood, ivory or plastic.
Tangram and mathematics
Here are the next twelve convex polygons that can be composed with the seven pieces of the game. It 's a game that promotes concentration and is a great mathematical exercise, to understand the figures and space.
variants TangramQuelle following are four versions of the Tangram. The first is a different breakdown of the square, the second is a breakdown of the circle, the third in a egg-shaped figure and the fourth, breaking a heart obtained from a square to which you add two semicircles and then performs the decomposition indicated in the figure.
sitography
Software to create a billion configurations:
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