Sixth graders work in small groups in order to measure various items in customary units. They record their measurements in Excel spreadsheet and estimate their answers in order to decide if they are reasonable.
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Circles: Radius, Diameter and Circumference
Fascinating discussion regarding the origin of Pi accompanies a detailed explanation of how to find the circumference of a circle. Since this is the first installment in a series on circles, the concept of circumference is separated into...
11 mins 4th - 11th Math