Each box will show a random digit from 0 - 9.
All you have to do is add the two boxes to get the answer. Easy right?
But wait! There's more!
After 5 seconds, the boxes will be covered by a color representing a multiplier.
You now have more to worry about than just adding boxes!
Correct Answer:
18
...aaand you have to enter your answer within 20 seconds!
Timer is still running! The game will pause only after the correct answer has been entered or the time has ran out!
Want to practice some more? Play again!