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An interesting way of explaining the relationship between the area and circumference of a circle!

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Math-tastic Mary: Circumference and Area of Circles #etlobestimages #etlobest

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Pi Day Pennant

In this collaborative activity celebrating Pi Day, students work with the circle formulas to find area, circumference, radius and diameter. Each pennant also includes a Fun Fact that students can read as they complete their circle problems. Once a pennant is complete, it can be hung along a string in your classroom to celebrate Pi Day!

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★♥★ #Circle Facts ★♥★ Learn some interesting information about this two…

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An easy mnemonic to help you remember the formula for circumference and area of a circle! And mmm, delicious pie!

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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.

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Pi Day Pennant

Pi Day. In this collaborative activity celebrating Pi Day, students work with the circle formulas to find area, circumference, radius and diameter. Each pennant also includes a Fun Fact that students can read as they complete their circle problems. Once a pennant is complete, it can be hung along a string in your classroom to celebrate Pi Day!Some of the circle questions are challenging, such as "Find the circumference of a circle if it's area is 25 square inches".

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