How to play

Add Sequential Pairs

For each round, you'll see five numbers. Add (+) them sequentially: the first to the second, the second to the third, and so on. Enter your four answers into the boxes provided. For best results, take the test on a desktop computer.

How to play

Submit Your Answers

After you've entered your four sums, click "Submit" to move to the next of the 10 rounds. Your speed and accuracy are being measured throughout. The 3 minute timer begins as soon as you start.

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Your test will start in 3 seconds
02:52

Add numbers from left to right

5
5
5
5
5
Completion Time

47.2s

Errors

4

  • Correct Answers (benchmark)
  • Erorrs (benchmark)
  • Correct Answers (retest)
  • Erorrs (retest)
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  • Test duration 47.2 seconds
  • Errors 2 errors
  • Completed on Today , 2:34 PM
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