Similar Polygons and Scale Factors: Lesson

This Similar Polygons and Scale Factors: Lesson video also includes:

Develop an understanding of the scale of similarity. Starting with the concept of congruency, the resource introduces the idea of similarity between two figures. As part of a larger playlist on geometry, it defines similarity and uses the scale factor to find measurements.

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CCSS: Adaptable
Instructional Ideas

  • Review solving proportions
  • Lead a discussion on finding unknown lengths using the scale factor
Classroom Considerations

  • Corrects the few mistakes made within the videos
Pros

  • Shows the algebra required to work the problems
  • Includes a link to more resources
Cons

  • None
Common Core