An elementary math problem has divided the internet after an easy-looking equation turned out to be anything but simple. Many X users were stumped by the problem 16 ÷ 4 X 4 - 4, posted by ...

Math equations used to be a daily chore for many elementary schoolers. But entering adulthood means those less mathematically inclined often never have to think about them ever again. And it appears ...

Say you’re at a party with nine other people and everyone shakes everyone else’s hand exactly once. How many handshakes take place? This is the “handshake problem,” and it’s one of my favorites. As a ...