The document provides 20 ways that teachers can use Edmodo in their classroom. Some ideas include using Edmodo for student writing projects, role playing activities, backchannel discussions, language practice, communicating with parents, book clubs, mobile learning, communicating during absences, creating a teacher lounge, planning committees, connecting with tutors, project based learning, reading critiques, co-teaching, providing materials for substitutes, science probes, following blogs through RSS feeds, school clubs, and creating alumni groups. The document encourages teachers to implement one of the ideas and provide feedback.