Midpoint and Distance Formulas

The shortest distance between two points is a straight line. Learners use the Pythagorean Theorem to develop a formula to find that distance. They then find the midpoint using an average formula. 

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CCSS: Adaptable
Instructional Ideas

  • Allow learners to use a graphical approach to finding midpoint and distance in addition to using formulas
  • Post lesson as a resource for absent pupils or during review time
Classroom Considerations

  • Does not include examples for practice problems #9-12 and #21-22; supplement examples if appropriate for your classroom
  • The 15th installment of a 16-part geometry series
Pros

  • Builds formulas from known concepts
  • Provides practice problems with challenging problems for differentiation
Cons

  • None
Common Core