Fast arithmetic practice
Solve addition, subtraction, multiplication, and two-digit problems in a compact time-attack format.
Mental Math Attack 20Free mental math game
A Free Mental Math Game for 20-Question Time Attacks
Mental Math Time Attack 20 lets you solve 20 arithmetic problems as quickly and accurately as possible.
Daily challenge and practice mode
Use the daily challenge to compare your time, or use practice mode to repeat the game as often as you want.
Playable on phones and computers
The on-screen number pad makes the game easy to play from a browser without installing an app.
Start a 20-question mental math challenge
Play instantly in your browser on mobile or desktop.
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