You've got 60 seconds to answer as many questions as you can. Go! Mental arithmetic at its best, choose your arithmetic operation and your level.
Get achievements as you go along. Warning, they are not easy to get!
Show off by being in the top 5 players on the leaderboards.
- Choose any of the four math operations or all of them if you dare
- Unlock achievements for each math mode and difficulty
- Check your ranking in the leaderboards as well as the top 5 players