The Problem Pick three points at random anywhere on the globe. What is the probability that all three of the points will be in the same hemisphere? The Hint Don’t know where to start? Play ...

If you’ve ever shuffled a deck of playing cards, you’ve most likely created a unique deck. Although this claim sounds ...

Can you solve this challenging dice probability problem from Popular Mechanics? Play your odds to see if you can uncover the answer.

This math problem requires a Goldilocks solution where relatable problems aren’t so simple that there’s no learning but not so complex and irrelevant that there’s no learning. Ted signals a need to ...

How often do teachers talk to students about multiple strategies, and how to select them, in math problem-solving? Students in the [United States] are very rarely doing rich contextual problems.

Teachers can optimize how they introduce math facts and teach strategies while not losing sight of conceptual knowledge.