In Your Shadow—Measuring Up

This In Your Shadow—Measuring Up lesson plan also includes:

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Let your scholars foreshadow unknown heights. The class uses proportions to solve height problems. Using the ratio of their shadows to their heights, pupils calculate the heights of objects by measuring the shadows. The lesson plan is the sixth in a seven-part series on measurement.

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CCSS: Designed
Instructional Ideas

  • Measure shadows at different times of the day to verify the heights of the objects
  • Lead a discussion on similar triangles to explain the concept
Classroom Considerations

  • Pupils should be familiar with proportions

  • Includes suggestions for assessments
  • Provides a list of questions for teacher reflection

  • None
Common Core