Sum to X

Moves: 0 Time: 0s

Find pairs that add up to X!

Play sumtiles.com, the fun tile matching game where you find pairs that add up to a target number. Choose your difficulty (easy, medium, hard, or custom sum) and grid size (4x4 or 6x6). Challenge your memory and math skills with this free online number matching puzzle game. Add numbers, match tiles, and test your brain!

How to Play sumtiles.com

Select your desired Grid Size and Difficulty (or enter a Custom target sum).
Click "Start Game".
Click on a tile to reveal the number underneath.
Click on a second tile.
If the numbers on the two tiles add up to the Target Sum, they are a match!
Matched tiles will highlight briefly and then fade.
If they don't match, they will flip back over.
Find all the pairs to win the game.
Keep an eye on your Moves and Time!