The Small Square Root Board is used by the children to build squares and to extract square roots. The wooden board contains 225 indentations for working square roots. Included with the board is a box of 100 each green, blue and red beads.
These Patterns serve as guides when extracting square root on the Algebraic Peg Board. The material consists of four plastic cards with silk-screened square root patterns in the three hierarchical colours. High quality!