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This Similar Polygons and Scale Factors: Lesson instructional 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
Concepts
Additional Tags
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
- This video is hosted on YouTube
Pros
- Shows the algebra required to work the problems
- Includes a link to more resources
Cons
- None