Every few months, the Internet eats itself over some kind of viral riddle or illusion, each more infuriating than the last. And so, like clockwork, this maddening math problem has gone viral, ...

PEMDAS has plagued many in elementary school math classes, but how many Americans remember how to use the acronym to solve problems? A simple sixth-grade math equation went viral on X for stumping ...

In this video I work through three examples to show students the power and meaning of parenthesis. If we don't understand how ...

Every now and again, homework takes social media by storm. Sometimes it’s a young child’s vexing assignment, or a classic brain teaser. But the problem above that’s stirred such debate is really just ...