A brain teaser is a short, playful puzzle designed to make your mind stretch and smile. It could be a riddle, a tricky question, a visual illusion, or a logic twist that nudges you to think beyond the ...

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

One brain teaser that's currently stumping people involves fixing the equation shown below by making a small adjustment. This ...

In recent years a number of clever coin-weighing or ball-weighing problems have aroused widespread interest. Here is a new and charmingly simple variation. You have 10 stacks of coins, each consisting ...

Many mathematics puzzles go viral on social media, and many times, people find them challenging. Math has always been dreaded ...

These low-floor, high-ceiling problems support differentiation, challenging all students by encouraging flexible thinking and allowing for multiple solution paths.