These 9″ x 9″ Geoboards have an 11 x 11 pin grid array on one side and an 11 x 11 isometric pin array on the other.

Students can calculate area and perimeter; explore the properties of polygons; work with number patterns, the coordinate plane, rotations, symmetry; and

Each set of 6 Geoboards includes 6 colors and package of 120 elastic bands