With this material children can do all mathematical operations in a holistic way, with and without changing. It is possible to do addition, subtraction, division and multiplication. The children process the operations by walking on the circle. The outer green circle represent the units, the blue circle represents the tens, the red circle represents the hundreds and the inner green circle represents the thousands. It stimulates cooperative learning as 4 children can work together, each representing a place value. On top of this it stimulates coordination and the development of social competences.
Diameter : 247 cms