Mode = the most frequently occurring number in the set. (Note: if there are multiple most frequently occurring numbers in a dataset, the mode is not unique. All modes in this puzzle are unique) Range ...

Take the pressure off of problem-solving with engaging thinking games that encourage students to work together to find ...

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 ...

If the cards shown here are rearranged to form four new poker hands of five cards each, what is the lowest possible winning ...

Jeff Smith's Math Puzzle for January 30, 2026 - Studying dodecagons in the dodecanese. The post Math Puzzle for January 30, ...

I’ve been out of school for decades, and I don’t spend my days solving equations (I’m more of a word person). Still, I like to think I have a solid grip on basic math: I can usually gauge whether a ...