Lesson Plan

Distance and Complex Numbers 2

Curated and Reviewed by Lesson Planet

Classmates apply midpoint concepts by leapfrogging around the complex plane. The 12th lesson in a 32 segment unit, asks pupils to apply distances and midpoints in relationship to two complex numbers. The class develops a formula to find the endpoint given a midpoint and another endpoint. They use the formula to find a point a weighted distance from an endpoint in the complex plane, and explore the a game of leapfrog on the complex plane.

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CCSS: Designed
Additional Tags
Instructional Ideas
  • Compare the process of finding a point a given distance ratio between two complex points to finding a point on a directed line segment
Classroom Considerations
  • The class should be familiar with finding distances and midpoint on the complex plane
  • Groups will need graph paper to do the exploratory challenges
  • The lesson contains two collaborative exercises in which classmates practice working with midpoints
  • The teacher notes suggest some common errors that should be brought up if not already done so by the class
  • None
Common Core