In this circumference instructional activity, learners find the circumference in 9 problems and estimate the perimeter in 3 problems. Two test prep questions are included as well.
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It's Around There Somewhere! Perimeter, and Circumference
Explore the concept of building equations for perimeter and circumference. Learners use rulers to measure the perimeter of half a sheet of paper. Then fold the sheet of paper numerous times, each time measuring perimeter. Learners use...
6th - 8th Math CCSS: Designed
How Do You Find the Radius of a Circle if You Know the Circumference?
So you know the circumference of a circle but not the radius. This tutorial shows you two different formulas commonly associated with circles, determines which formula to use, then puts the formula to work. You'll have no problem...
4 mins 5th - 8th Math
How Do You Find the Circumference of a Circle if You Know the Diameter?
There are two formulas that can be used to find the circumference of a circle. Choose the appropriate formula depending on the given value in the problem. After selecting the correct formula, solve the problem using 3.14 as an estimation...
3 mins 6th - 10th Math