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HTM0149
Montessori Hellotoy
Product Description
Using the Subtraction Strip Board, the child practices the equations of the subtraction tables 1–18. Natural wooden strips corresponding in length to the squares 1–18 are used to indicate the number to subtract from (minuend) and 1 set of blue strips used to subtract with (subtrahend). A set of red strips is included for further explorations. The 2 sets of strips are stored in hardwood boxes.
