Test your problem-solving skills with the 10 Penny Challenge! Watch as we break down this classic brain teaser and see if you can solve it before the solution is revealed. Perfect for puzzle lovers ...

The New York Times' latest game, Pips, brings domino fun to your desktop. How to play Pips as well as hints in case you get ...

By incorporating this quick physical game into a math lesson, teachers help students focus on the task at hand.