Mathematics, Page 25

These patterns serve as guides when extracting the square root on the Algebraic Peg Board. The material consists of 4 plastic cards with silk-screened square root patterns in...

501 sheets with 15 problem grids (twelve 1/2”- squares each) printed in gray.

Box with colored bead bars 1-9 and nine golden bead bars of 10, to be used with the teen boards.

Box with colored bead bars 1-9 and nine golden bead bars of 10, to be used with the teen boards.

This cube for (a + b)3 provides the basis necessary for the sensorial construction of higher powers of the same binomial: (a + b)4 and (a + b)5. Contained in a hinged wooden box...