We found 1,189 reviewed resources for circumference
How Do You Find the Radius of a Circle if You Know the Circumference?
4 mins 5th - 8th
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...
It's Around There Somewhere! Perimeter, and Circumference
6th - 8th CCSS: Designed
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. Young...
Use Circumference to Solve for Area
4 mins 6th - 9th CCSS: Designed
Go backward and solve for area when given the circumference of a circle in this fourth video of a series. Watch the narrator share two examples — one when the circumference is in terms of pi and the other with a decimal. Learners are...
Informal Proofs of the Circumference/Area of a Circle
8th - 10th CCSS: Designed
Use this lesson plan to help your geometers develop informal proofs of the circumference and area of a circle. Working in small groups, students rotate between three stations to complete hands-on activities that illustrate the...
Circles Notes: Diameter, Radius, Circumference, and Area
6th - 9th CCSS: Adaptable
A note-taking sheet and homework are paired up in this resource. Through both, your class will learn the definitions for the diameter, radius, area, and circumference of a circle. The notes guide also displays the formulas for computing...
How Do You Find the Circumference of a Circle if You Know the Diameter?
3 mins 6th - 10th
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...
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