Maths Cannon

Undoubtedly, mathematics is a hard subject to grasp. How to spark his kids' interest of learning mathematics is a headache for every parent.
This game provides an efficient solution. It turns the boring mathematics into a funny one. For every question, there are four balls circling aroud a cannon. If you shoot the ball with the correct answer, you get a score, otherwise the game is over.
This game is simple to play but hard to master. How many scores can you get? Let's play it now.