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1-minute addition test

Answer as many addition facts as you can in 60 seconds. Free, no signup, and it shows the ones you missed.

How it works

1. Pick within 10 or within 20.
2. Press Start. Type each answer and press Enter (or Next).
3. After 60 seconds you get your score, your best score on this device, and the facts you missed.

Need a strategy? See the mental math tricks. Other 1-minute tests: subtraction · multiplication · division.

Common questions

What are the addition facts within 20?

All the sums of two numbers from 1 to 10, like 8 + 7 = 15. Under the US Common Core, kids should know all sums of two one-digit numbers from memory by the end of 2nd grade.

Is this the same as a mad minute?

Yes, it's the same idea: answer as many facts as you can in one minute, then look at the ones you missed.