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Area and Perimeter of Similar Polygons: Lesson Instructional VideoArea and Perimeter of Similar Polygons: Lesson Instructional Video
Publisher
CK-12 Foundation
Resource Details
Curator Rating
Educator Rating
Not yet Rated
Grade
7th - 11th
Subjects
Math
1 more...
Resource Type
Instructional Videos
Media Length
3:26
Audiences
For Teacher Use
1 more...
Duration
10 mins
Instructional Strategy
Direct Instruction
Technology
Video
Year
2013
Usage Permissions
Fine Print
Instructional Video

Area and Perimeter of Similar Polygons: Lesson

Curated and Reviewed by Lesson Planet
This Area and Perimeter of Similar Polygons: Lesson instructional video also includes:
  • Area and Perimeter of Similar Polygons: Examples
  • Join to access all included materials

Find the square of the scale factor. A component of a large playlist on geometry discusses the ratios of the perimeters and areas of two similar polygons. The resource shows examples in finding the ratios that lead to a pattern.

8 Views 3 Downloads

Concepts

similar figures, similarity, area, perimeter, perimeter of polygons, area of polygons, scale factors

Additional Tags

math

Instructional Ideas

  • Lead a discussion on whether there would be a similar ratio pattern in finding volumes of similar objects

Classroom Considerations

  • Assumes individuals know how to determine the scale factor of similar figures
  • The class needs to be comfortable with reducing ratios
  • This video is hosted on YouTube

Pros

  • Links to additional resources with similar polygons
  • Includes the arithmetic steps in working the examples

Cons

  • None

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