Showing Congruence Using Corresponding Parts 1

Transform triangles to show congruence. Given two triangles with congruent corresponding parts, pupils describe the rigid transformations that will show the two triangles are congruent, and then determine the sequence of transformations that will move one triangle onto the other.

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CCSS: Designed
Instructional Ideas

  • Review the properties of rigid transformations
  • Have individuals draft a plan before constructing the proof of congruence
Classroom Considerations

  • The class needs to know how to describe rigid transformations
Pros

  • Provides examples of work at four different levels
  • Contains instructional suggestions to address misconceptions
Cons

  • None
Common Core