Mathematical Operations

Using this material, children can perform all mathematical operations in a holistic way (with and without changing). The children process the operations by walking on the...

This control chart makes is possible for children to work independently and correct their own errors.

A material for use after the child has mastered the original Hundred Board. The concept is the same, but this version is printed with Roman numerals. The material consists of a...

This material is used to introduce the concept of negative numbers. The material consists of a presentation tray containing 6 boxes of Bead Material, 1 box containing 5 sets of...