Explains the terms and symbols used to discuss line angles, what an angle is, and the types of angles. Includes short video lesson demonstrating how to use a protractor to measure an angle. [0:57]

Concepts

complementary angles, congruent angles, supplementary angles, vertex

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Additional Tags

protractor, types of angles, endpoint, ray, measure of angle

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Classroom Considerations

• Knovation Readability Score: 3 (1 low difficulty, 5 high difficulty)
• The intended use for this resource is Instructional

Common Core

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