Stay in Shape

Using their knowledge of right triangles, pupils find out how far a ship is from a light house. Class members determine how far around the world a ship would be sailing at a constant speed.

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CCSS: Designed
Instructional Ideas
  • Provide a mini-lesson and practice on the Pythagorean Theorem
  • Use the demonstration of wrapping a radius around a circle to help explain the concept of a radian
Classroom Considerations
  • Assumes the class knows the properties of isosceles right triangles
  • Contains a worksheet that steps learners through the work
  • Provides suggestions to scale up the activity for older classes
  • None
Common Core