· UTC
Daily Mental Math Challenge
Ten questions. The same set for everyone. Test your mental math across addition, subtraction, multiplication, division, squares, and percentages.
Free to start. Sign in at the end to save your official score. One official attempt per UTC day, with up to 10 minutes to finish.
A fresh challenge every day
Sunday, September 13
Ten questions.
One daily ritual.
The same balanced mix for everyone. A little addition, a little multiplication, and a fresh chance to surprise yourself.
+ Addition− Subtraction× Multiplication÷ Divisionx² Squares% Percentages
Free to play. One official attempt. Up to 10 minutes. Sign in at the end to complete the challenge and save your score.
Today’s leaderboard
Public results
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Scoring and daily reset rules
- Everyone gets the same ten questions across six skills each UTC day.
- Correct first answers rank first, then elapsed time. Exact ties share a rank.
- One official attempt per UTC day. Attempts expire after ten minutes or at midnight UTC, whichever is earlier.
- Assisted attempts, replays, and expired attempts are unranked.
- Sign in to save your score. Only players who explicitly opt in publish a nickname and eligible score. You can rename yourself or hide your results.
- A new challenge becomes available at midnight UTC.
Keep training with free mental math practice or learn a method in the strategies guide.