2-6 players Suitable for ages 9+ Play time 10-20 minutes
Proof! is an award-winning, fast, fun, and addicting card game that the whole family can enjoy! For 2 - 6 players, ages 9+, and taking only 15 minutes, Proof! will have you showing off both your math skills and creative thinking as you race to find equations hidden among nine number cards.
Got the cards 2, 8, and 10? Concoct an equation like 10 - 2 = 8!
Working with 2, 5, 5, 10, and 20? Conjure up a beauty like 5 + 5 = 20 ÷ 2 = 10!
Allowing you to use almost any math symbols and all sorts of crazy equations, Proof! is unlike most math games: engaging for both students in a classroom and adults at a party.
Proof! is also the inspiration behind our infamous online web game, the Weekly Challenge Math Puzzles. For the more puzzle-minded players out there, each week we post a new set of nine cards that hides a challenging equation. See if you can find the proof!