ABOUT THE 24 GAMES: The object of the games is to make the number 24 using all 4 numbers on a card. You can add, subtract, multiply, and divide. Each number may be used only once. There is at least one solution per card. Each set provides for 3 levels of challenge and includes 192 card combinations.

Fractions/Decimals involves addition, subtraction, multiplication, and division. There are 3 levels of difficulty.