Define the sharpest in the group. Given a section of a trail map, pupils determine a method to measure the sharpness of each turn in the path. Individuals then determine what modifications to their formulas to make to find the sharpness of turns on a stretch of a marathon path and a water slide.

Concepts

angle measurement, angles, running, measurement, non-standard measurement

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Additional Tags

math

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Instructional Ideas

• Conduct a demonstration on how a person turns through an angle that appears to be just an acute angle turn
• Ask cross-country runners to explain how they navigate a winding course

Classroom Considerations

• Individuals must understand how to measure angles and their supplements

Pros

• Includes a rubric on how to distribute points
• Provides several ways to quantify the sharpness

Cons

• None

Common Core

HSG-MG.A.1 HSG-MG.A.3 MP1 MP6