Add Yahoo as a preferred source to see more of our stories on Google. We like to think that we're pretty good at math, especially after years of schooling. But every once in a while, a simple ...

(bright music) - Hi everybody, and welcome back to "Room Nine", our region's largest classroom. My name is Miss St. Louis, and I'm a teacher at Rogers Elementary School in the Mehlville School ...

Zachary Champagne’s 3rd and 4th graders figure out early on that this math class will be different when their teacher tells them: “I don’t care about the answer.” The goal is to shift his elementary ...