In our recent puzzle “ The Wanderer’s Return ,” I wrote an intuition-based solution to avoid hairy algebraic calculations.

Italy has a Fourth of July, but sadly without sparklers or bottle rockets. The post Math Puzzle for October 24, 2025 appeared ...

Math may not be everyone’s favorite subject but when it comes to matchstick puzzles, few can resist giving it a try. At first ...

Flex your math muscles with this weekend’s brain teaser. Play now.

Math has long been a bane to American students. One way to counteract the difficulty is to discover the subject’s playful side. In this excerpt, a math professor reflects on recreational math and the ...

Math is not everyone’s favorite, understandably. Hours of math homework and difficult equations can make anyone sour on the subject. But when math problems are outside of a school setting, there’s no ...

The following is adapted from the introduction to “The Riddler: Fantastic Puzzles from FiveThirtyEight,” published by W. W. Norton & Co. It is in stores today! The world’s oldest collection of math ...