Tangram Material Required: Card paper. A tangram set has seven pieces which are obtained from a square. Tangram puzzles were first ...Read More Geoboard Material Required: Square board "10 x 10”of wood or acrylic, nails or pegs, super-glue if acrylic board is used. A ...Read More Area and Perimeter Material Required: Square "10 x 10” board of acrylic /plywood/ hardboard /chopped sole rubber, match sticks or short nails, string ...Read More ‹ 1 … 7 8 9