The Proof! tabletop card game is the inspiration behind our free, online Math Puzzle Challenges. Each carefully constructed puzzle consists of a set of nine cards that hides a challenging equation. This is a hand-picked selection of our easier math games that are ideal for kids. If you would like, you can create an account to save your progress. Or if you already have an account, you can log in.

1.
Find a Pair of 6's
2.
Find Any Pair Using Only Division
6.
Find Any Pair of Fractions
8.
Find Any Pair Less Than 0
9.
Find Any Pair Greater Than 50 Using Only Multiplication
10.
Find 9 Different Pairs Using Exactly 3 Cards Each
12.
Find a Pair of 100's
19.
Find Any Pair Using the 6, 27, and 74 Cards
20.
Find a Pair of 2/3's
21.
Find 10 Different Quadruplets Less Than 10
22.
Find Any Pair Using Multiplication At Least 3 Times
23.
Find Any Quintuplet
25.
Find a Pair of 44's
26.
Find 6 Different Pairs Less Than 20 Using Exactly 3 Cards each
27.
Find Any Triplet Using At Least 5 Square Roots and No Addition or Subtraction
29.
Find a Pair of 1000's
31.
Find Any Pair Using Division At Least 3 Times
33.
Find a Pair of 27's
35.
Find 7 Different Pairs Greater Than 15 Using Only Addition
38.
Find 14 Different Pairs Greater Than 0 Using Exactly 3 Cards Each