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Published byIsaac Bridges Modified over 8 years ago

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Pi Video

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Vocabulary 1. Circle – a set of points equidistant from a given point. 2. Center- a given point from which all points are the same distance. 3. Chord – a segment with both endpoints on the circle.

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Vocabulary 4. Diameter – the distance across the circle through the center. 5. Radius – a segment from the center to any point on the circle. 6. Circumference – the distance around the circle. The ratio of a circle’s circumference to its diameter is always π.

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Discovering Pi Activity 1. Work with a partner 2. Create a chart with the following columns. Item Circumference Diameter Circumference/Diameter 3. Select a circular object.

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Pi Activity 1. Wrap a string around the object and mark where the string meets itself. 2. Straighten the string and measure its length in centimeters. 3. Using the ruler measure the diameter of the item. 4. Record the measurements in the chart and calculate the last column. 5. Repeat the process with 2 other different size items. (a total of 3 items)

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