Some paradoxes don’t just challenge logic, they completely break it. These puzzles create situations where something must be both true and false at the same time. Philosophers, mathematicians, and ...

These low-floor, high-ceiling problems support differentiation, challenging all students by encouraging flexible thinking and ...

Try your hand at these tricky visual puzzles and give your brain a boost!

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

David Genter began designing math puzzles about 20 years ago, when he worked on diesel engines as an engineer. Genter's puzzles will be printed where space permits in the Daily Press every Tuesday ...

Rose and Ivy are logic-savvy landscapers tasked with creating a rectangular garden. Their client has told Rose the desired width and Ivy the desired length (both positive integers). One day their ...

Brain teasers are fun little puzzles that make you think in different ways. They might look simple at first, but they often have a twist that surprises you. Solving them gives your brain a good ...

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 ...

Cool Math Games (often stylized as Coolmath Games) has been a staple of online gaming since its inception in 1997, offering a unique blend of entertainment and education that appeals to players of all ...