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Penny Circles
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Model information
- Source
- Printables
- Category
- Math
- License
- Creative Commons — Attribution — Noncommercial
These labeled circles are a physical version of this quadratic modeling activity where students graph the number of pennies (or nickels) that fit flat in a circle with the diameter of the corresponding circle.
When printing for a classroom, it's best to have a complete set of rings for each group but groups can also share if you don't have enough for that.
I like to print the final few layers in a different color to make the diameter labels stand out.