Smiley Math Subtraction
Clear the board of all the numbers to advance to the next level. Do it by having Smiley grab the answers to the subtraction problems. Click or tap a yellow highlighted square to move Smiley to that square. When Smiley is over a number that answers the subtraction problem at the bottom of the screen, tap or click him to grab the answer. Don't let the monster get you as you will lose one of your 3 lives. You will also lose a life by having Smiley grab a wrong answer.