← Morning Maths

One good problem. In your inbox.

The day’s puzzle, every morning at 5:15 a.m. New York time. Think it through over coffee, then come back to try your answer.

A little thinking before the scrolling.

The email includes the whole problem: the setup, the clues, and the question. There are no answer spoilers. Follow the link to make your four attempts, use a hint, and see the worked explanation.

Everyone gets the same daily edition. The email arrives after the puzzle is published, at 5:15 a.m. New York time, including daylight saving.