Provide a metaview, lifting students into a wider view of the concept. Use another medium (not reading or writing) to connect students' personal knowing to the concept (i.e. visual arts, music, movement, metaphor, etc.) Involve learners in reflective production that blends the emotional and the cognitive.
Play "Transformations"
Objective: To use another medium to reinforce the idea of trading.
Activity: Play "transformations". Students stand in a circle. Each student makes up a movement and/or sound. Students begin trading their movements/sound with other students. Whichever movement/sound makes it completely around the circle is the winner.
