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Subtraction Strip Board

€30 Euro€15 Euro

This product is made completely of wood and consists of a board of 12 squares x 18 squares with the numerals 1 - 18 printed across the top, a box containing 9 red and 9 blue strips of varying lengths, printed with the numerals 1-9, and a box containing 18 natural strips of varying lenghts. The Subtraction Board provides the child with practice on working out the subtraction tables from 1-1 to 18-9 systmatically and in understanding them.

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