Catalog Nienhuis

THE DECIMAL SYSTEM | MATHEMATICAL OPERATIONS

100 And 1000 Chains Frame Item Number: 0079A0 •

MATHEMATICAL OPERATIONS Printed Arrows: 100 / 1000 Bead Chains 2 sets of decimal system color-coded plastic arrows, for both the 100 and 1000 chains. 2 plastic storage boxes are included. Item Number: 0079B0 • Geometric Hierarchy Of Number This material is used to represent in geometric form the hierarchy of number for: 1, 10, 100, 1000, 10,000, 100,000 and 1,000,000. The precise nature of these materials makes it possible to compare by size the decimal categories, visualize through the color-coded system the concept of decimal value and the families of number. A wooden tray for presentation of 1, 10, 100 and 1000 is included. Item Number: 0132A0 • Number Cards: Geometric Hierarchy Of Number A set of number cards for each of the numerals 1, 10, 100, 1000, 10,000, 100,000 and 1,000,000. A wooden Stamp Game After being introduced to the decimal system using the Golden Bead Material, the Stamp Game provides oppor tunity for individual practice in the operations of addition, subtraction, multiplication and division. In a step towards abstraction, the quantity and symbols of the decimal system are combined and are represented by each ‘stamp’. Item Number: 008200 • Arithmetic Signs Box A collection of arithmetic signs ( + – x ÷ = , etc.) and number cards for use with the various mathematics materials. Includes beechwood box for storage. Item Number: 026000 • storage box is included. Item Number: 0132B0 •

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