Going the Distance

Show your class why the shortest distance between two points is a straight line. Pupils review the use of the Pythagorean Theorem to find the length of a missing side of a right triangle. Working in small groups, the scholars devise the distance formula. Using the distance formula, the classmates find the distances between two points described on directional maps and the Cartesian plane.

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CCSS: Designed
Instructional Ideas

  • Provide class members with right triangles that have the same known measurements—but in different orientations
  • Provide a review of the distance formula and how to derive it 
Classroom Considerations

  • Individuals should know the Pythagorean Theorem
Pros

  • Includes answer keys
  • Contains key words to use in a word wall
Cons

  • None
Common Core