Mental Math Sprint

◈ E2 · Conditional

Evidence for: arithmetic fluency

How to play

Mental Math Sprint

Solve as many as you can in 60 seconds with the keypad or keyboard (Enter to submit). Serial 7s: keep subtracting 7.

This is a practice exercise, not a medical test. Response times in a browser are only comparable with yourself on the same device.

What does this train?

Part of the method Mental Arithmetic. On the web you answer for real, so we can measure accuracy and response time. A YouTube video can only ask you to score yourself.

Reading your results

Compared with yourself: personal best and your recent sessions. We never rank you against “the population” or convert scores into IQ.