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measuring the radius or diameter of cut out circles in either centimeters or inches. Then students needed to calculate the area and circumference of the circle.

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Let the 7th Grade Math students have a blast experiencing a full BLACK FRIDAY excursion. Students will shop, and compare better buys using their understanding of calculating sales tax, and discount, to solve a performance task.

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from Watch and Study

Calculating Pi with Darts

Calculating Pi with Darts Pi can be calculated using a random sample of darts thrown at a square and circle target. The problem with this method lies in attempting to throw "randomly." We explored different ways to overcome our errors.

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from NPR.org

Let's Get Literal: Calculating Pi With Pies. Actual Pies

Calculating Pi with Pies. Happy Pi Day. I had two Key Lime mini pies myself in celebration.

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Use graph paper to demonstrate the ratio of PI for both Circumference and Area. Refer to the demonstration of Circumference performed for you in the last Math Antics Video, What is PI? Use that demonstration to come up with your own for the ratio of PI when calculating the Area of a circle.