Want a new, exciting way to practice adding and subtracting decimals?? Try Kaboom!!! This is a game for the whole class. Teams compete against each other to solve addition and subtraction decimal problems. You may get lucky and get to double your points, but be careful...you could lose all your points!! This product includes teacher's notes, instructions, cards, and the answer key. All you have to do is copy the cards and play!!! If you like this game, check out my Kaboom!!! Multiplication and Division Decimal game.