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Enhance pupil understanding of proportions and variable relationships by studying direct and inverse variation. Use the idea of a proportional relationship to teach direct variation. Then use a similar pattern to help individuals understand inverse variation.
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CCSS:
Adaptable
Concepts
Additional Tags
Instructional Ideas
- Use the second example as an opener and allow pupils to develop strategies to determine a solution
- Compare and contrast direct and inverse variation with your classes
Classroom Considerations
- Builds from the previous lesson in this series on proportions
- The lesson concludes an 11-part series on fundamental algebraic concepts
Pros
- Uses real-life application to build the concept of variation
- Provides a set of practice problems that includes a problem-solving section
Cons
- Moves quickly to the formula for direct and inverse variation before developing an understanding of the concept
Common Core
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