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Instructional Video11:40
2
2
Flipped Math

Properties of Parallel Lines

For Students 9th - 12th Standards
Work within a parallel universe. Scholars learn about the relationships of angles when two parallel lines are intersected by a transversal. They see how to find the measurements of all eight angles by knowing the measure of one angle....
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Instructional Video14:56
2
2
Flipped Math

Lines and Angles

For Students 9th - 12th Standards
Develop a sense of understanding. Pupils learn eight definitions dealing with types of lines and angles formed when two lines are crossed by another line. Learners use the definitions to identify the lines and pairs of angles in figures...
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Worksheet
Curated OER

Geometry: Angles

For Students 11th - 12th
In this angle worksheet, learners find the value for a given variable. They use similar figures, alternate interior angles, side angle side, and other geometric theorems and proofs to determine the value of the given variable. This...
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Activity
Shodor Education Foundation

Shodor Interactivate: Angles

For Students 9th - 10th Standards
This activity from Shodor Education Foundation will help you learn or review your angle vocabulary.
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Website
National Council of Teachers of Mathematics

The Math Forum: Ask Dr. Math Alternate Exterior Angles

For Students 9th - 10th
Dr. Math at the Math Forum offers a way of remembering alternate exterior and alternate interior angles by looking at the words and realize what they say and apply it to the picture.