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

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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
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
Pros

  • Explanations are easy to understand
  • Neat and organized presentation
Cons

  • None
Common Core