A brain teaser is like a fun little challenge for your mind. It’s a puzzle or riddle designed to make you think creatively and critically, often in ways you’re not accustomed to. At first glance, a ...

Jeff Smith's Math Puzzle for November 21, 2025 - ‘We fired our cannon 'til the barrel melted down, so we grabbed an alligator ...

You are participating in a holiday gift exchange with a few classmates. You each write down your own name on a slip of paper and fold it up. Then all the students place their names into a single hat.