Want to learn more? Sign up for a free five-week email mini-course full of research-backed strategies to help students make sense of math. In Sarah Cuddihy’s 1st grade class at Driscoll School here, ...

Algebra has long been a fundamental part of any high school math curriculum. In many places it's become a fundamental part of the middle school math curriculum, too. In recent years, more students ...

The teachers were staring at a piece of paper with a small pencil drawn on it. Their trainer asked them: How long is the pencil? To find the answer, the teachers broke apart some of the small, ...