The document discusses collaborative learning, cooperative learning, and active learning strategies. It defines collaborative learning as students working together to solve problems or complete projects. Effective collaborative learning involves properly composed groups, clear tasks, and good communication. Cooperative learning is related and involves students working in face-to-face groups to complete specific activities while developing interpersonal skills. Active learning strategies engage students more than passive listening and include techniques like think-pair-share, learning cells, short writing exercises, group projects, debates, and games.