Mental arithmetic
Number Sprint
Solve short arithmetic problems against the clock and pick the right answer from four. Trains mental arithmetic and how fast you can apply it.
How to play Number Sprint
Mental arithmeticSolve the problem and choose the correct answer before the timer runs out.
- One arithmetic problem appears with four answers.
- Choose the correct answer. Wrong answers are near misses, so read carefully.
- Normal operator precedence applies: multiply and divide before add and subtract.
Controls
- 1 / 2 / 3 / 4 Choose an answer
- Tap Tap an answer button
What Number Sprint measures
A timed arithmetic verification task. It measures how quickly and accurately you retrieve or compute number facts, which depends heavily on practice with the specific operations.
Headline measure: Correct per minute
What does the score mean?
Your score describes how you did on this task, on this day, at this difficulty. It is not an IQ score, a percentile or a medical measure. The headline number here is correct per minute. Scores compare you with your own earlier sets, never with other people. Read more on what the exercises measure.