Building Graduation Caps

Top off geometric calculations by building caps. Groups determine the sizes needed and build each member a mortar board graduation cap. Using the average size, the team calculates the total amount of material required to build a typical hat. They find out the number of poster boards needed to make various numbers of hats and the total cost.

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CCSS: Designed
Additional Tags
Instructional Ideas
  • Lead a discussion on whether the orientation of the figures makes a difference on the number of poster boards required
Classroom Considerations
  • Requires two heavyweight poster boards for each group
  • Individuals should be able to calculate areas
  • Grading uses both collaborative and individual work
  • Contains suggestions for extensions
  • The worksheets contain various typos, such as referring to caps as posters and minor misspellings
Common Core