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

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

It might not seem like there's enough information to solve these logic puzzles—but that's part of the fun!

Twenty years ago, this puzzle appeared on a test administered to top-tier math students from 16 countries around the world. Only 10% of test takers got it right. In the U.S., only 4% managed to ...

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