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How can mathematics help scholars choose a college? High schoolers learn how they can use decision matrices to rank colleges based on selected criteria. They also see how to weigh criteria using multiplication of the decision matrix by a vector.
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Instructional Ideas
- Model a decision matrix before starting the lesson, especially if students have not seen matrices before
Classroom Considerations
- Requires familiarity with basic right triangle trigonometry, units, graphing techniques, systems of equations, and circles to complete the activity
- Worksheet assumes that pupils will not immediately use an arc to model the expansion
Pros
- The lesson teaches decision-making skills that can be applied to many different situations
Cons
- Material covered is not likely to be of interest for students not planning on attending college