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Puzzle “Tangram”. А367
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Geoboard 10х10. А374
03.04.2019Geoboard 5х5. А373
A geoboard is a mathematical manipulative used to explore basic concepts in plane geometry such as perimeter, area and the characteristics of triangles and other polygons. It consists of a physical board with a certain number of nails half driven in, around which are wrapped geo bands that are made of rubber.