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## CCSS.Math.Content.4.MD.C.5 - Recognize angles as geometric shapes that are formed wherever two rays share a common endpoint, and understand concepts of angle measurement:

### CCSS.Math.Content.4.MD.C.5.b - An angle that turns through n one-degree angles is said to have an angle measure of n degrees.

Authors: National Governors Association Center for Best Practices, Council of Chief State School Officers

Title: CCSS.Math.Content.4.MD.C.5 Recognize Angles As Geometric Shapes That Are Formed Wherever... Measurement and Data - 4th Grade Mathematics Common Core State Standards

Publisher: National Governors Association Center for Best Practices, Council of Chief State School Officers, Washington D.C.

(Page last edited 09/28/2016)

1. Angle Measurement - Online quiz, adding adjacent angles. Given the size of a portion of the angle, what is the size of the other portion?
2. Angles - Online lesson on creating angles; types of angles; measurement.
3. Angles - Online matching game; match the explanation with the correct graphic angle.
4. Clocks and Angles - Online lesson and exercise using clocks to recognize angles.
5. How to Measure Angles - Online lesson introducing angles and measurement.
6. Learning about Angles - Use this online tool to demonstrate angles and measurements.
7. Line Plot Lesson Plan - Excellent lesson with interactives and engaging activities for students.
8. Measuring Angles - Practice lining up and reading a protractor while you measure a set of angles in a fun learning activity

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