This Square-Ness assessment also includes:

Are there some rectangles that are more square than others? A thought-provoking task asks individuals to create a formula that objectifies the square-ness of a set of rectangles. They then use their formulas to rank a set of rectangles.

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CCSS: Adaptable
Additional Tags
Instructional Ideas
  • Create a collaborative activity in which each member creates their own formula and then compares and contrasts with other group members
  • Have partners use the rubric to score each other's work
Classroom Considerations
  • Expects an understanding of the properties of squares
  • Includes a rubric to assist in scoring student work
  • Provides the question as open-ended to allow for various solution methods
  • None
Common Core