Math Knight

For adults : Practice your math skills , your memory and your puzzle-solving abilities with this unique game. Click on two numbers and then - on their sum or product in order to clear the three of them. For example - clicking on 2, then on 3 and then on 5 will clear the three boxes. Or clicking on 4 , then on 7 and then on 28 - will clear them too. The more you clear - the better you score. Choose from three difficulty levels: Easy, Hard and Extreme.