Give guidance and feedback to students' plans, encouraging, refining, and helping them to be responsible for their own learning. Maintain high expectations for completion of chosen options. Summarize by reviewing the whole, bringing students "full circle" to the experience with which the learning began.

Scarcity problem-solving

Objective: To evaluate understanding of scarcity.

Activity: Students will share their projects with their partners. Teacher conducts a brainstorming exercise to identify ways to reduce scarcity. Begin with things in the classroom and extend to the greater world.

Assessment: Students' contribution to the mindmapping/brainstorming activity.