Math Computation Game

An arithmetic timed test game to strengthen your mental math! Find out how long it takes for you to do 20 problems. There are different levels with addition and subtraction. You can submit your name to the public high score list.
Available levels:
Addition 2-20
Subtraction 2-20
*Multiplication 2-12
*Division 2-12
*Mixed 2-20
*Addition 11-99
*Subtraction 11-99
*Multiplication 11-99
*Mixed 11-99
* Levels are available as an In-App Purchase. Ads are also removed.
Uses Game Center Leaderboards if you are signed into Game Center