Instructional Video

Find a Polynomial Expression for a U-Shaped Area (Example)

Curated and Reviewed by Lesson Planet

How difficult is it to calculate the area of a U-shaped figure? Scholars use a helpful video to see how to determine an algebraic expression for the area of an U-shaped composite figure. The method it shows involves decomposing the figure into rectangles, finding the area of each part, then adding to find the total area.

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CCSS: Adaptable
Additional Tags
Instructional Ideas
  • Have classmates draw rectilinear figures with lengths given as algebraic expressions to share with a partner
Classroom Considerations
  • Learners must be able to multiply and add expressions
  • An understanding of area is necessary
  • This video is hosted on YouTube
Pros
  • Explanations are easy to understand
  • Neat and organized presentation
Cons
  • None
Common Core