This document discusses strategies for actively engaging students in large classes. It suggests reducing anonymity between students and instructors by learning names and encouraging interaction before and after class. Instructors can also reduce physical distance by moving around during lectures. The document provides examples of in-class activities like interactive lecturing, brainstorming, polling with clickers, individual/group work with prompts, and activities reviewing course content. It emphasizes setting clear expectations, managing interactions, and ensuring accountability to promote participation from all students.