The Division Material forms the bridge to abstraction for the decimal system exercise of the division. With this material, the child performs the short and long division with dividends up to the millions and divisor from 1 to 4 digits. The set consists of 4 color-coded division boards and a wooden tray that holds the seven racks of tubes with beads, 7...
The Metal Triangle material allows the child to make an analytical study of triangles. They consist of 4 metal frames with bottoms. The insets are all equilateral triangles, one undivided whole, the others are divided into halves, thirds, and fourths. (For age 6-12)
The Multibase Material is for the hierarchical and geometric representation of numbers in base 2 and 3 for counting forwards and backward, and for converting numbers from base l O into these bases and vice versa. (Chart not included. See MPM04 l) (For age 6-12)
The Multiplication Working Charts aid the child in practice and memorization of the multiplication tables l xl through l Oxl O. The material consists of two control charts, three working charts and a box of wooden product chips. (For age 6-12)
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 colors. (For age 6- 12)
The small Squares Root Board is used by the children to build squares and to extract squares 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. (For age 6-12)