This sport has a easy mechanism, however enjoying it’s tougher than you suppose! You are proven a easy equation (elementary arithmetic) and have a restricted time to decide on whether or not it’s proper or flawed. Every appropriate reply earns you one rating and your last rating is predicated on the variety of your appropriate solutions. If you selected wrongly or run out of time, you’ll lose!

Use your mouse to play the sport or faucet on the display screen!