Find the Area of Polygons by Decomposing into Triangles, Rectangles, Parallelograms, and Trapezoids

This Find the Area of Polygons by Decomposing into Triangles, Rectangles, Parallelograms, and Trapezoids lesson plan also includes:

Take a multi-sided figure, such as a pentagon, and break it into smaller shapes to calculate the area. The video demonstrates this idea visually by breaking figures into small pieces and calculating each area. Also included, is a review of the area of simple figures such as triangles and squares.  

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CCSS: Designed
Instructional Ideas

  • Use other videos in the series for further practice on this standard
Classroom Considerations

  • The site requires a free login to access the video
Pros

  • Provides a visual representation of the area of composite figures
Cons

  • None
Common Core