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.

Concepts

polynomial expressions, area, composite figures

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Additional Tags

math

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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

HSA-APR.A.1