The Binomial Cube
The binomial cube is a cube that has the following pieces: one red cube, three black and red prisms, three black and blue prisms, and one blue cube.
A box with eight prisms represent the elements of or:
The pieces are stored in a box with two hinged opening sides. The color pattern of the cube is painted all around the outside of the box (except the bottom).
The material is not designed as for math education until the elementary years of Montessori education. In the primary levels (ages 3–6), it is used as sensorial material.
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The Binomial Cube
Read more about this topic: Montessori Sensorial Materials