- Probability
- Paper Collection
- NumberFrameMate / Rekenrek
- Counting & Sorting
- Cubes and Rods
- Multilink Cubes
- Numbers
- Dice & Cards
- Dominoes
- Number line
- Graphing
- Hundreds Boards
- Multiplication
- Color Tiles
- Addition & Subtraction
- Base Ten
- Money
- Time
- Equivalence
- Fractions
- Pattern Blocks/Symmetry
- Deci-Blocks
- Geoboards
- Algebra
- Geometry
- Attribute Blocks
- Pentominoes/Tangrams
- Place Value
- Polydron
- Transparent Materials

Designed for use with the K-5 or 6-10 level resource books. Excellent for group activities. Contains 50 equilateral triangles, 20 squares, 12 pentagons and 10 hexagons.

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.

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.

These clear plastic, 1"' squares with numbers, printed in black, are perfect for probability and operation tasks and number games. Set of 54 squares (5 each of numerals 0-9 and 5 operation tiles). Grades 1-8.

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

**NOT FOR SALE IN CANADA**

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.

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).

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.

Double Nine Wooden Dominoes (55 pcs)

55 piece set that works well for classroom activities. Black only.