• Four corner signs: 'Strongly Agree', 'Somewhat Agree', 'Somewhat Disagree', 'Strongly Disagree'
• Fact sheets about plastic bag environmental impact
• Position planning worksheets
• Timer
• Articles representing different perspectives

Label corners of the room with position signs. Prepare a background reading on plastic bag usage, environmental impacts, and existing bans.

1. Present the debatable statement: 'All stores should be banned from providing single-use plastic bags to customers.'
2. Give students 5 minutes to review fact sheets and consider their personal position.
3. Direct students to move to the corner that represents their view.
4. In corner groups (8-10 minutes):
5. Discuss reasons for choosing this position
6. Compile strongest arguments on planning worksheet
7. Anticipate and address counterarguments
8. Select 1-2 spokespersons
5. Structured debate (15-20 minutes):
6. Each corner presents main arguments (2 minutes per corner)
7. Open questioning between corners (8 minutes)
8. Corners collaborate to refine arguments (3 minutes)
9. Final statement from each corner (1 minute each)
6. Allow students to move corners if their opinion changed during the debate.
7. Whole-class reflection on the strongest arguments from all perspectives and discussion of compromise solutions.

Provide sentence starters for reluctant speakers. For advanced students, assign devil's advocate roles to argue positions different from their own beliefs.

Evaluate quality of arguments, use of evidence, respectful dialogue, and listening skills. Have students write a reflection on their position and whether/why it changed.