Mathematical manipulatives

picture of a graduated straight line that serves as abstraction for real numbers; coordinate system in one-dimensional space

thumb|300px|Like most modern sets, this wooden tangram is stored in the square configuration.

learning aids

construction set

thumb|A wooden 3 × 3 geoboard thumb|A plastic 5 × 5 geoboard 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. Normal rubber bands can also be used.