1, 2, 4, 8, 16, 31 ... hold it, that does not seem right. The resource presents the pattern of the number of sections created in a circle by connecting ever-increasing numbers of points on the circle. The video points out that the pattern begins in powers of two but breaks from the pattern after only six iterations. The presenter raises the question why and promises a more complete discussion in later videos.

Concepts

circles, chords, number patterns, patterns, exponent of 2

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Additional Tags

math

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Instructional Ideas

• Use the video to begin a lesson or unit on sequences
• Have class members determine if the number of points on the circle always result in the same number of divisions

Classroom Considerations

• The class should understand chords

• This video is hosted on YouTube

Pros

• Includes graphics to show the number of sections
• Provides a task for the pupils to determine if they can understand the pattern

Cons

• None

Common Core

HSF-IF.A.3 MP1 MP4