Novelist Celeste Ng has shared a head-scratching system of equations that her 9-year-old son apparently made up over dinner: At dinner, 9yo made up a math problem and made his father and me solve it.

A tricky math question on a second grader's assignment left one mother puzzled. In fact, she was so stumped by the word problem that she turned to the internet for help. Angie Werner called on fellow ...

I’ve been out of school a long time (I mean a long time), yet I think I’m still pretty good at basic math. I’m always able to figure out whether a “bargain buy” at the supermarket is actually a ...