Midpoint and Segment Bisectors: The Midpoint Formula

Let's meet in the middle. Given two points on the coordinate plane, pupils use the interactive to find the midpoint. The interactive provides a graphical display of the midpoint and the midpoint formula with the coordinates of the endpoints substituted.

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CCSS: Designed
Additional Tags
Instructional Ideas
  • Challenge the class to find an endpoint if given one endpoint and the midpoint
  • Ask groups to determine how to use the explanation of the midpoint formula to find a point that is one-third from one endpoint
Classroom Considerations
  • Class members should be comfortable working with rational numbers
  • This resource is only available on an unencrypted HTTP website. It should be fine for general use, but don’t use it to share any personally identifiable information
Pros
  • Reveals the correct answer when students select the wrong one
  • The supplemental materials contain additional examples
Cons
  • None
Common Core