Lesson Plan

Designing a Search Robot to Find a Beacon

Curated and Reviewed by Lesson Planet

Build right angles using coordinate geometry! Pupils explore the concept of slope related to perpendicular lines by examining 90-degree rotations of right triangles. Learners determine the slope of the hypotenuse becomes the opposite reciprocal of the original. 

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CCSS: Designed
Additional Tags
Instructional Ideas
  • Use manipulatives to help pupils visualize the rotation
Classroom Considerations
  • Requires graph paper for each individual
  • Extend the time spent on this lesson as needed depending on the level of your classes
  • The lesson is the fourth in a series of 15
Pros
  • Begins with a real-life example to increase the engagement
  • Provides an option for the opening and closing exercises
Cons
  • None
Common Core