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Product Description
Before students use this worksheet, place students into small groups or pairs. In the classroom, have a a few circular items that they can measure the circumference, diameter and radius. Depending on the item, they will need to use string and a ruler. As a class, create 1 large chart with each group's measurement of Circumference, Diameter and Radius. Once the chart is complete, have the students discuss the relationships between the measurements. Students will notice that the Circumference is about 3x the size of the diameter. They will also notice that the Diameter is double the Radius. Introduce pi as the relationship for Diameter and Circumference. The worksheet is used to summarize and/or metacognition at the end of the lesson. After, have the students attempt to demonstrate the formulas needed for Circumference, Diameter and Radius.
Total Pages
3 pages
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Teaching Duration
40 minutes
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