Foam Two-Color Counters

PreK+. Set of 200 red and yellow foam counters.

Grouping Circles

20"' diameter circles in 3 colors designed for a whole range of counting and sorting activities. Collapsible for easy storage.Grade 1-4

Pentominoes

If you take 5 squares of the same size and join them edge to edge, the resulting shape is called a Pentomino! There are more than 2000 ways to arrange the 12 different plastic pieces to form a rectangle. Available in single sets of 12 pieces, or 18 sets with a teacher’s guide from the SI Resource Series.

Multiplication Table/Grid

Use this double sided chart/grid to motivate young minds into learning their times tables 1 through 12. Laminated so that it can be used with write-on/wipe-off markers. Package of 10.

9" Isometric/Square Array Geoboard (Double-Sided)

One side of this durable plastic board has a 3/4"' isometric arrangement of pins and the other side has an 11 x 11 pin square array.

Overhead Algebra Pieces Extension Set (Double Unknown Variable)

This extension set of Algebra Pieces introduces the concept of a second unknown variable “Y”. Have your students explore the world of X and Y variables in a hands-on manner. Set includes: • Y (10 x 36 mm) – 10 red and 10 blue • XY (36 x 53 mm) – 5 red and 5 blue • Y2 (36 x 36 mm) – 5 red and 5 blue To be used with our original Algebra Pieces #20900 (Blue and Red Pieces).

Polydron Classroom Set

The ultimate Polydron set, designed for a class of up to 30 students. Includes an exciting resource book with a variety of lessons. Contains 200 equilateral triangles, 80 squares, 24 pentagons, 20 hexagons, 80 right angle triangles, 60 isosceles triangles, 30 rectangles, resource book of lessons and plastic storage trunk. Total of 496 pieces.

Magnetic Numbers

Set of 1.3"'/34 mm magnetic numbers 0-9, plus mathematical signs, for teaching basic math operations. For ages 3-6.

Mixed US Bills Set

This school money set contains 25 x \$1.00, 20 x \$5.00, 20 x \$10.00, 20 x \$20.00, 5 x \$50.00, and 10 x \$100.00 US bills. Total of 100 pieces.

Hex-a-Link™ has a unique connection design that is guaranteed not to wear or loosen with constant use. Hex-a-Link™ interlocks positively on all six sides and is supplied in 10 color, 3/4"'/2 cm cubes. Sets of 1000 include a teacher’s guide from the SI Resource Series.

Giant Soft Foam Dice

Made of soft foam, 5"' square. Quiet and easy to handle. Ages 3+