Coming Full Circle
Teaching Circumference, Diameter, and Radius
The resources in this playlist will help students gain a more rigorous understanding of the characteristics of a circle, including the relationships between a circle’s circumference, diameter, and radius. They’ll also learn how to use pi(π) when dealing with circle calculations.

Exploring the Diameter & Circumference of Circles | LearnAlberta
Help students discover the relationship between diameter and circumference with this interactive. Provides great support for visual learners who need to envision the relationship between a circle’s circumference and diameter in a different way. Set the diameter, unravel the circle and then drag the diameter onto the unraveled circumference. Flash Player required.
Study Jams! - Circumference | Scholastic
Exploring Circumference | Open Up*
Circumference of Circles | CK-12*
Circumference of a Circle Practice | Khan Academy
Extension Activity: When Will We Ever Use It? (Person of Interest) | ClassHook
Take a deeper dive into the land of Pi. A substitute teacher responds to the question every student wants to know- "When will we ever use this?" In discussing pi, this teacher provides a compelling answer.
Extension Activity: The Infinite Life of Pi | TEDEd
Eboni Hogan
Content Specialist
Eboni has extensive experience in curriculum development, with a focus on culturally-responsive and arts-based approaches. Having spent years creating academic content and providing professional development to teachers, she now curates themed playlists meant to provide educators with valuable, time-saving resources.
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