This document provides discussion techniques and activities to facilitate structured talk in the classroom. It discusses the importance of talk in developing understanding and learning. Various types of structured discussion formats are described, including circle time, philosophy for children, rainbow groups, pair talk, listening triads, and envoys. These activities encourage speaking, listening, sharing of ideas, and developing concepts. The document also provides information on stimulating further discussion through techniques like jigsawing, value continuums, hot seating, and freeze frames. The overall summary is that structured discussion activities can help students learn through articulating and exploring ideas together.