Penny Circles

by Passionately Curious

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modeling math physics science penny nickel coin circle area calculation patterns Quadratic

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.