Scale City — Scaling up Recipes and Circles in the Real World

What a great big skillet you have. The resource introduces the class to the world's largest stainless steel skillet. The class creates a model of the skillet and a typical 12-inch skillet and compares the relative sizes of their areas. Using the models and other circles, class members develop an approximation of pi.

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CCSS: Designed
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Instructional Ideas
  • Lead a discussion on the effects of scaling a linear measurement to the scale of another linear measurement and a squared measurement
Classroom Considerations
  • Activity requires an 11-foot square space
  • The class should understand how to calculate area
  • Part of a larger Math at the Core MS: Ratios series
  • Includes a time frame for the different aspects of the activity
  • Contains a notes guide for the video
  • None