Suitcase Circle

Analyze patterns in a circular arrangement. After using a geometric construction to complete a circle, learners use proportional reasoning to make predictions. By determining the length of an arc built from suitcases, they estimate the total number of suitcases.

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CCSS: Designed
Additional Tags
Instructional Ideas
  • Import the image into Desmos or GeoGebra to have pupils complete the construction
  • Incorporate during a unit on circle relationships
Classroom Considerations
  • Ensure a solid understanding of circumference and arc length prior to the lesson
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  • Includes a handout for pupils to follow
  • Provides a practical use for geometric constructions
  • None
Common Core