It's time to put the angles in place. Using diagrams, the video presents the basic definitions of the four classifications of angles. The segment in an informative playlist on basic geometry also provides informal descriptions of the categories.

Concepts

acute angles, angles, right angles, obtuse angles, straight angles, classifying angles

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Additional Tags

math

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Instructional Ideas

• Develop a graphic organizer that has the definition and examples of each type of angle
• Write the inequalities that relate to each classification of angle

Classroom Considerations

• The class should know how to measure and name angles

• This video is hosted on YouTube

Pros

• Provides access to other resources on classification of angles
• Includes examples to aid in understanding

Cons

• None

Common Core

4.G.A.1 MP6