Mental math
Mental Arithmetic
Multi-step problems, solved entirely in your head — no paper, no calculator. Beat the clock before it counts as wrong.
How to play
Read the problem
A multi-step calculation appears. Read it carefully — there's only one correct answer.
Solve in your head
Work through it mentally while the timer counts down. Time tightens at higher levels.
Type and submit
Enter your answer before time runs out. Timeout counts as a wrong answer.
3Lives
8Levels
15s→7sTime
Leaderboard
Loading…