Math puzzle is game for the brain. Playing this game could improve your memory and your logic.
Making in-the-head calculus will improve also your abilities about thinking and also help you to take decisions faster.
Drag the right number to the right square, if the number becomes red you must drop the at the index position and drag it again to the right position. The game has also a timer hidden and if you finish the game in 10 seconds you get the maximum rank of 5 stars and 500 points score. For 20 seconds you get 4 stars and 400 points and so on.