Personal performance challenge
Arithmetic Sprint
Race through a free arithmetic speed test with accuracy penalties. Solve short problems, compare difficulty modes, and save your best time locally.
20-problem sprint
What this challenge measures
This recreational challenge emphasizes focused mental arithmetic speed under a simple time penalty for mistakes.
Results can vary by device, browser, input hardware and environment. They are not diagnostic assessments.
About your score
Lower is better. Your personal best and recent completed runs are stored only in this browser on this device.
Free browser test · Focus
How to use this arithmetic speed test
Arithmetic Sprint combines quick mental calculation with a timed sequence of short problems. Wrong answers add a penalty, so rushing without checking can produce a slower adjusted result than a slightly more controlled run.
Use the same difficulty when comparing sessions because harder modes expand the number range and may add multiplication. Try to develop a steady answer rhythm rather than spending too long on one problem and then rushing the rest.
How the score works
Lower adjusted time is better. The final result includes the time required to complete the set plus any mistake penalties defined by the game.
Questions about this challenge
What operations appear in Arithmetic Sprint?
The exact mix depends on difficulty. Higher modes use larger values and can introduce multiplication in addition to the simpler operations.
Why are wrong answers penalized?
The penalty keeps the challenge from rewarding random fast guesses and makes accuracy part of the final score.
Is this an academic math assessment?
No. It is a recreational speed-and-focus challenge and does not provide a standardized mathematics evaluation.