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This I Want to Rock! performance also includes:
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Find the best deal on music. Small groups create playlists of music and determine the cost based on different pricing structures. They determine whether the pricing structure represents a direct or inverse variation relationship by graphing it. Team members then determine the amount of money left if purchasing different numbers of songs.
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Instructional Ideas
- Research several music sites to find price deals
- Have the class brainstorm other real-world examples of direct and inverse variation
Classroom Considerations
- Individuals should be comfortable determining whether a relationship is direct or inverse
Pros
- Provides a rubric to score students' tasks
- Contains suggestions for what the teacher should be doing during the task
Cons
- Incorrectly identifies an inverse variation as a linear equation