This document discusses strategies for collaborative learning in the classroom. It outlines five key strategies: 1) Group work with accountability for both individuals and groups; 2) Tribes, a process for developing a positive learning environment; 3) Placemats and gallery walks for sharing ideas; 4) Collaboration instead of cheating by working together; 5) Jigsaw technique for dividing content among groups. It also provides tips for forming diverse groups and gives examples of using technology like wikis and blogs to facilitate collaboration. The overall message is that collaborative learning requires teaching students skills for working effectively in groups to achieve shared goals.