b'Mathematics Small Square Root BoardPatterns For Square RootThe Small Square Root Board is used by the children toThese patterns serve as guides when extracting build squares and to extract square roots. The woodenthe square root on the Algebraic Peg Board. board contains 225 indentations for working squareThe material consists of 4 plastic cards with silk-roots. Included with the board is a box of 100 each green,screened square root patterns in the 3 hierarchical blue and red beads. colours.Item Number: 013300 Item Number: 013401$51.95 $34.95 Trinomial CubeBinomial CubeThe Trinomial Cube is a concrete representation of the algebraicThe Binomial Cube is a concrete representation of formula (a + b + c). The factors of the equation are representedthe algebraic formula (a + b). The factors of the by cubes and prisms. The elementary Montessori child uses theequation are represented by cubes and prisms. Trinomial Cube as an activity of algebraic exploration. ContainedThe elementary Montessori child uses the Binomial in a hinged wooden box with lid. Cube as an activity of algebraic exploration. Item Number: 013200 Contained in a hinged wooden box with lid.$249.95 Item Number: 013100$129.95 Arithmetic Trinomial CubeAlgebraic Binomial CubeThis cube represents the equation (a + b + c) in concrete formThis cube for (a + b) provides the basis necessary and differs from the Trinomial Cube in that the componentfor the sensorial construction of higher powers of pieces are colour-coded to represent hierarchical values fromthe same binomial: (a + b)4 and (a + b)5. Contained 1 unit to 1 million. This makes it possible for the child to equatein a hinged wooden box with lid.an arithmetical value to each of the cubes and prisms. ContainedItem Number: 027200in a hinged wooden box with lid. $164.95Item Number: 018700$269.95Nienhuis Montessori 83'