Click Skip when it appears, to skip the ad, then Close to get to the game itself. Select a number of blocks whose sums equal the given equation. Hold the left mouse button down while moving over adjacent blocks to select blocks until you get the required sum. Release. The more blocks used in the chain, the higher the score you will get. To complete a level you will have to find 10 sums within 2 minutes. The quicker you get the 10 sums the higher your time bonus will be. Each level gets harder. Have a marvelous time playing Math And Match!