The game is simple, but the strategy will keep your students engaged for hours: roll 3 dice, choose 2, add the numbers together and cover up that number on the board. Except things aren't so easy: if you roll a 1, 1 and 6, should you combine 1 + 1 = 2, or 1 + 6 = 7? This game opens up some nice opportunities to discuss winning strategies using probability.
A follow-up game, "The Big Cover Up," also uses 3 dice, but to make things even more fun, players have to choose between combining 1, 2 or 3