## overview

Learning from the practices of others is a powerful way to improve teaching. Here, you can explore real mathematics teaching and learning by exploring everyday classrooms where educators are working to refine their mathematics teaching practices.

## featured lesson

**Representing Constant Rate of Change**

Antoinette Villarin leads a lesson on modeling rate of change and slope in a real-life situation in which liquid flows out of a container that has a top prism and a bottom prism. Students match graphs and equations to the real-life model.