This document defines and describes cooperative learning. Cooperative learning involves organizing classroom activities into academic and social learning experiences where students work in groups to collectively complete tasks and meet academic goals. It has benefits like allowing students to capitalize on one another's resources and skills, and changing the teacher's role from information giver to facilitator. There are formal and informal types of cooperative learning. Formal cooperative learning is more structured and facilitated by the teacher, while informal involves temporary small groups. The document also lists several cooperative learning strategies like fish bowl, round robin, and think pair share.