Light It Up

This Light It Up lesson plan also includes:

New Review

A new laser-pointing game exists at the Springfield fair, and Lisa thinks there is a mathematical formula to help her win! Pupils investigate rational functions using graphs. Groups experiment with a mirror and laser pointer, so a reflected light image hits the wall and collects distance data. They develop rational functions and determine the information needed to help win the game.

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CCSS: Adaptable
Instructional Ideas

  • After the lesson, brainstorm other real-world situations that would be modeled by a rational function
Classroom Considerations

  • Requires a laser pointer or flashlight along with a flat mirror and tape measure for each group
  • The class should be comfortable with plotting points from a table
Pros

  • Provides a suggestion for an extension activity
  • Includes teacher reflection questions on how well the lesson went
  • Contains solutions to activity questions
Cons

  • None