Mathematics, Page 29
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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...
