Addition/ Subtraction Strip Board
₦ 40,000.00The Addition and Subtraction Strip Board is a foundational Montessori mathematical material designed for children aged 3 to 7 years, in order to help them transition from concrete counting to abstract arithmetic.
Category: Montessori
It features a double-sided board—addition on one side and subtraction on the other—to help children visualize number combinations and internalize basic math facts. It contains a wooden baseboard marked with a grid of 12 squares high and 18 squares wide. The numbers 1 through 18 are printed across the top as a reference for the results. Addition Strips: Two sets of nine wooden strips numbered 1–9. Blue strips are typically used for the first addend, and red strips (subdivided into units) for the second. Subtraction Strips: Includes 17–18 natural unnumbered wood strips used to cover the portion of the board not in use, plus sets of red and blue strips to represent the subtrahend and minuend. Storage: Most sets include one or two wooden storage boxes with lids to organize the various strips