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.

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.

Algebra Pieces Student Set

Algebra Pieces Student Set

Four-color plastic set of algebra tiles that are double sided. Contains 35 pieces (5 X2, 10 X and 20 units). Allows student to build geometric models of polynomials and explore first-hand the concepts related to them. Grades 8-12.

20907 Set

Foam Fraction Circles and Squares

Foam Fraction Circles and Squares

Soft foam. Each set includes 1, 1/2, 1/3, 1/4, 1/5, 1/6, 1/8, 1/10 and 1/12.

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)

Thin Color Tiles

Thin Color Tiles

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

3/4"/2cm wooden cubes

3/4"/2cm wooden cubes

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

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+.

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. 

Chain Links

Chain Links

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

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.

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.
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