How Tall Is the School's Flagpole?

This How Tall Is the School's Flagpole? lesson plan also includes:

Let the class use a clino—what? Groups build a clinometer to measure angles of elevation. Using their new tools, teams record the measurements made and calculate the height of two objects around the school. Teammates then make a presentation outlining the steps they took and measurements they found.

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CCSS: Designed
Instructional Ideas

  • Provide a demonstration on how to read the clinometer to get the angle of elevation
  • Conduct a quick review of finding missing sides of a right triangle with trigonometric functions
Classroom Considerations

  • Individuals should be familiar with trigonometric ratios
Pros

  • Includes two options for building the clinometer
  • Provides a graphic representation on how to calculate heights using the clinometer as a reminder to include the user's height
Cons

  • None