Remembering the rhizoid rubric for the rhotic rhombus. The post Math Puzzle for January 17, 2025 appeared first on Alameda ...

A version of this puzzle originally appeared in the February 1957 issue of Scientific American. We’d love to hear from you! E ...

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

This puzzle also caught the attention of many, with people struggling to find the pattern. It’s this kind of puzzle that gets ...

Brain teasers like these challenge you to think creatively, often requiring you to spot patterns or relationships beyond ...

Flashcards are a great way to improve quick number recall and make mental calculations faster. Make flashcards with different arithmetic questions on one side and answers on the other. Regular ...

Experience math in a whole new way. We'll play fun and challenging problem-solving games and puzzles from around the world, including Ancient China and Egypt, Europe, Asia, Africa and the Americas. We ...

NPR's Ayesha Rascoe plays the puzzle with Weekend Edition puzzle master Will Shortz and Chris House of Annandale, Virginia.