MINUS MISSION: Shoot Subtraction Up to 20

GAME INFO
MINUS MISSION is Arcademics' game, an online educational math game to learn subtraction. The mission is to shoot subtractions from 1 to 20 and is suitable for children from 6 to 9 years old. Aim with the laser to disintegrate the subtraction resulting in the number contained in the laser. Move the left and right arrows on the keyboard to move the laser cannon. Press the up arrow or the space bar to shoot the correct result of the subtraction. Note that the result can be valid for several subtractions. Subtract fast in this educational math game.