The Trinomial Cube is a concrete representation of the algebraic formula (a + b + c)3. The facand prisms. The elementary Montessori child uses the Trinomial Cube as an activity of algebraic exploration. Contained in a hinged wooden box with lid.
Trinomial Cube
178.88€
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The Third Box Of Color Tablets introduces the final stage in color discrimination – that of grading. The box contains 63 tablets representing nine colors in seven graded shades…
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