20-question mental math time attack
Solve 20 arithmetic problems as quickly and accurately as possible. Each run is short, focused, and easy to replay.
What is Mental Math Time Attack 20?
Mental Math Time Attack 20 is a free browser game where you solve 20 addition, subtraction, and multiplication problems as quickly and accurately as possible.
Your best time is saved in the browser, so you can keep challenging yesterday's record. It is a simple math game for quick practice, focus, and daily brain training.
Daily calculation training in about 30 seconds
Because one play session is quick, it fits naturally before work, during breaks, or whenever you want a short brain workout.
Play on mobile or desktop
It runs directly in your browser. No installation is required, and it works on phones, tablets, and PCs.
Who it is for
It is useful for people who want faster mental math, kids practicing arithmetic, and anyone who wants a quick focus exercise.