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grading and seriation—indirect preparation for mathematics
Children use the Hundred Board by placing the wooden chips in sequence on the board
Division: Wooden division board with 81 green beads
Rectangular wooden tray with handles for holding 45 hundred squares
Box dimensions: 13
Numerical Rods metal-insets grading and seriation—indirect preparation forTen wooden rods divided into units by alternating colours of red and blue. The rods are constant in height and width (2. 5 cm) while graduated in length from 10 cm to 1 m. The purpose of this product is to learn the names 1 to 10 and to associate the names with the correct quantities. When used with the printed numerals, the child learns to associate the figures with the actual quantities 1 to 10. We have a Wooden Stand for storage and display, and
