This Everyday Mathematics exclusive is a unique deck of 54 cards that form the basis for a number of exciting, fun classroom math games and activities. It's really two decks in one: whole numbers, geometric representations, and dot patterns on one side; and fractions and illustrations on the other. On one side of the cards is a number deck with 4 cards for each number from 0 through 10 and 1 card for each number from 11 through 20. Numbers are printed in blue or black to more easily represent positive or negative numbers On the reverse side of the 1 though 10 cards are fractions represented in a variety of ways.