Explains what lines, line segments, rays, and angles are, and how to measure an angle opening. [6:28]

Concepts

vertex, angles

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Additional Tags

types of angles, line segment, ray

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Classroom Considerations

• This video is hosted on YouTube

Common Core

4.G.A.1 4.MD.C.6 4.MD.C.5.a 4.MD.C.5.b 4.MD.C.7