Circular patterns and movement are commonplace in our world. Young mathematicians begin their study of circles with instruction on finding the degree measure of both major and minor arcs. Examples focus on the arc in relation to the central angles.

Concepts

circles, arcs, angles, central angles

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Additional Tags

math

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Instructional Ideas

• Use the video to differentiate instruction; allow slower learners the opportunity to rewatch the video as necessary
• Create a guided notes document for pupils to complete as they watch the video

Classroom Considerations

• YouTube video requires Internet access to view
• The 14th installment in a series of 40 video lessons

• This video is hosted on YouTube

Pros

• Instructor spends time developing vocabulary and notation related to the arcs of a circle
• Discusses multiple paths to approaching problems, so it is great for different types of learners

Cons

• None

Common Core

HSG-C.A.2