The first of two pages displays various angles as the measure of degrees of a circular arc. An explanation is written, and learners are asked to model each by holding up two pencils as the rays. The second page provides instruction on how to use a protractor to measure angles. Four angles are provided as practice. This is a sharp teaching tool to implement when introducing angle measurement.

Concepts

angle measurement, circles, protractor skills, geometric constructions

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Additional Tags

circle, measure angles, protractor, circular arc, math

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Pros

• None

Cons

An answer key is not included with the worksheet

Common Core

4.MD.C.5.a 4.MD.C.5.b 4.MD.C.6