Understanding the basic of circles is as easy as pi. The resource introduces the definition of a circle along with its dimensions, circumference, diameter, and radius. Using graphics, the video shows the approximation of pi and how to determine it.

Concepts

pi, circumference, diameter, radius, circles, center

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Additional Tags

math

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Instructional Ideas

• Construct a graphic organizer of a circle and its parts and have the class identify them
• Lead a discussion on the why the definition must be so precise

Classroom Considerations

• Class members should have a basic understanding of a circle

• This video is hosted on YouTube

Pros

• Uses colors to help distinguish the diameters when wrapping them around the circle
• Includes some humor to increase engagement

Cons

• None

Common Core

SL.6.2 7.G.B.4 RST.6-8.9 MP6