Triple Digits
Triple Digits is the best free online Match 3 game where your objective is to make groups of 3 or more equal numbers. With a variety of strategies to pursue, you can advance through levels by matching digits on patterned tiles. To earn a record score on each level, you'll need to keep the game board relatively free to continue increasing the numbers. Although it's not a Math game, this online puzzle is fun for kids of any age.