# Angle Degrees

You can find this storyboard in the following articles and resources:

### Introducing Angles

Lesson Plans by Anna Warfield

The basics of angles are so important for students to understand! Angles play a critical role in geometry and are the foundation for trigonometry and geometry. Students should eventually be able to read a protractor, but even just understanding if an angle is big (obtuse or reflex) or small (acute) makes a difference in elementary geometry. The following activities are a great way to provide visual aids to students and help them understand how different angles affect polygons.

### Introducing Angles

Angle Degrees

#### Storyboard Text

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• I hear "degrees" all the time. What are degrees when we are talking about angles?
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• Degrees are a unit of measurement, like inches or pounds.
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• Degrees measure rotation or turn of an angle in reference to a full circle.
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• A sailor looks straight ahead through a spyglass at another ship. There is no turn, so he is looking at an angle of 0 degrees.
• The factors of 360 are 1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, and 360
• Then he gets distracted by a bird and looks up. His head has turned upwards. Now he is looking at an angle of 45 degrees.
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• 120
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• 90
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• In a full circle, there are 360 degrees. Each degree is 1/360 of a full circle.