Nienhuis Montessori | Catalog 2019

THE DECIMAL SYSTEM | MATHEMATICAL OPERATIONS

100 And 1000 Chains Frame Item Number: 0079A0

MATHEMATICAL OPERATIONS 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 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 • 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 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 • 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

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