This cube represents the equation (a + b + c)³ in concrete form and prisms. Contained in a hinged wooden box with lid.
Arithmetic Trinomial Cube
197.78€
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6 sets of wooden cut-out numerals and subtraction exercises. Includes a divided beechwood box with lid.
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The Spindle Box provides practice in associating quantity and symbol for the numbers 0-9. 45 loose wooden spindles are included.
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