This is an interesting educational game. In this game you need to take care of tanks from mines using your math skills. When tank comes near the mine field, shift it left or right, as needed to let it run only on dud mine. To find the dud mind, simply solve an multiplication problem displayed just before the mine field. The answer of the subtraction problem will also be displayed on dud mine. Let the tank carry till the target point. See instructions for more information