Set of 45 transparent US Coins for use on the overhead projector. Both heads and tails are included for the penny, nickel, dime, quarter and half-dollar. Grades K-4.

Set of 36 laminated cards (19"' x 3.75"') with numbers from -35 to 180. Graphic markings are used to indicate odd and even numbers, as well as 5s and 10s for skip counting.

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.

Set includes 4 each of addition, subtraction, multiplication, division and equal signs; 2 each of greater-than and less-than signs; and 1 of the not-equal-to sign.

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

With one side numbered 0-100 and the other 0-1000, this 12"'-wide vinyl measure is made up of two 8-foot sections to form a 16-foot long walk-on number line.

Multiplication Number Crunchers

A highly motivational, fun system with almost unlimited possibilities. The set of 10 "bones" contains multiplication tables from 1 x 0 = 0 to 10 x 10 = 100. Set of 100.

Multiplication Number Crunchers

A highly motivational, fun system with almost unlimited possibilities. The set of 100 “bones” contains multiplication tables from 1 x 0 = 0 to 10 x 10 = 100.

Giant Mega 3-Minute Sand Timer

Virtually indestructible giant sand timer with molded end caps and thick wall surrounds. Large enough for the whole class to see and perfect for use in games, accurate event timing and experiments. 11.8"' x 5.9"'.

Overhead Centimeter Graph Grids

Demonstrate graphing, geometric, or fractional functions. Includes ten 25 cm square grids.