What has three sides and is adorable? A-cute triangle. The resource introduces triangles and how to classify them by sides and angles or both. The video concludes with using the sum of the angles of a triangle to show how to solve for a missing angle measure in a triangle.

Concepts

triangles, obtuse triangles, acute triangles, scalene, scalene triangles, isosceles triangles, equilateral, equilateral triangles, triangle classification

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Additional Tags

math

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Instructional Ideas

• Have the class investigate the sum of the angles by measuring angles of a variety of triangles
• Provide practice problems for individuals to find an unknown angle measurement in a triangle

Classroom Considerations

• The class should be familiar with the classification of angles

• This video is hosted on YouTube

Pros

• The resource has closed captioned
• Works an example of problem based on triangles

Cons

• None

Common Core

SL.6.2 4.G.A.2 5.G.B.4 8.G.A.5 RST.6-8.9