Hundreds Boards

Hundreds Boards

Plastic-coated cardboard. Two-sided hundreds boards (12"' x 11"') with 1"' number squares. The complete set comes with 10 boards, 100 numbered and 25 blank plastic tiles, and a teacher’s guide from the SI Resource Series.

Base Ten Blocks – Blue

Base Ten Blocks – Blue

Base Ten Blocks provide concrete models that give meaning to place value and operations of whole numbers, decimals, and algebra concepts. Gr. 1+.

Thin Color Tiles

Thin Color Tiles

Thin (1/16"') plastic 1"' color tiles in 4 colors. Package of 400.

Overhead Hundred Number Boards

Overhead Hundred Number Boards

Set of 3 transparent grids (81/4"' x 81/4"') numbered 0-99, 1-100 and unnumbered with 3/4"' squares.These boards are compatible  with 3/4"  overhead color tiles (page 10)

Chain Links

Chain Links

Easy to handle and join, these high-quality links come with 22 colorful activity cards.

Platonic Solids Set (Starter Set)

Platonic Solids Set (Starter Set)

Build all five Platonic Solids with this versatile set. Contains 32 equilateral triangles, 12 pentagons and 6 squares.

Related Attribute Blocks

Related Attribute Blocks

Desk-top blocks made of top-quality polystyrene plastic. With the attributes of size, shape, color and thickness, they assist in the development of problem solving using logic. The related sizes make them useful for demonstrating fractions and their relationships. Set contains 60 pieces in 5 shapes, 2 thicknesses, 2 sizes and 3 colors, plus a storage tray, and a teacher’s guide from the SI Resource Series.

Deluxe 1cm Plastic Pattern Blocks

Deluxe 1cm Plastic Pattern Blocks

Made of durable plastic to last. Set contains 250 pieces in 6 shapes and colors.

Includes 25 yellow hexagons, 25 orange squares, 50 green triangles, 50 red trapezoids, 50 blue rhombuses and 50 tan thin rhombuses.

9

9" Isometric/Square Array Rainbow Geoboards (Double-Sided)

Set of 6, brightly colored, durable plastic 9"' geoboards. One side has a 3/4"' isometric arrangement of pins and the other side has an 11 x 11 pin square array.

3/4"/2cm wooden cubes

3/4"/2cm wooden cubes

Hardwood 3/4" /2cm cubes in 6 colors, set of 102

Graph Board

Graph Board

Ideal for illustrating block diagrams. The free-standing beech wood frame is designed to hold .79"' (2 cm) cubes. Results can be recorded on the inset write/wipe boards on the vertical and horizontal axes. Marker included.

Ten Frame

Ten Frame

Ten-Frames are two-by-five rectangular frames into which counters are placed to illustrate numbers less then or equal to ten, and are therefore useful devices for developing numbers sense within the context of ten. 

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