Every so often, at around 7:00 p.m., I’ll get a call from someone I know. “I don’t understand my kid’s math homework,” they’ll say. These folks aren’t dumb or bad at math. But almost always, they’ve hit a concept that they
Film Fridays: As the pendulum swings
Over the last year, I’ve come across lots of great math-related videos, and now that my blog is up and book is out, people are sending me links to many more. I thought Fridays would be a great time to share them.