Parallel Lines and Transversals (Geometry Unit 5)

Parallel Lines, Transversals, Angle Vocabulary, and Algebraic Angle Problems for Geometry
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  • Lectures 6
  • Length 1 hour
  • Skill Level All Levels
  • Languages English
  • Includes Lifetime access
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About This Course

Published 12/2015 English

Course Description

*This is the 5th unit in my Geometry curriculum. It may be beneficial for students to complete Units 1-4 before starting this course.*

Now that you have learned how to create segment proofs and angle proofs, you will learn how to write proofs with angles created by parallel lines and transversals. You should feel comfortable with all types of basic proofs by the end of this unit. Like in Units 3-4, memorization of all of these angle Properties, Postulates, Theorems, and Definitions is necessary.

This Unit will discuss parallel lines, transversals, and more vocabulary. In Lesson 3, you will use your knowledge of parallel lines and transversals to solve algebraic problems. After completing this unit, you should feel confident to approach any parallel line/transversal problem.

The lessons in this unit cover: Parallel Lines and Transversals, Parallel Line Proofs, and Algebra and Parallel Lines.

What are the requirements?

  • Students will need access to a video player as well as headphones/speakers for the audio
  • Students may need access to a printer for the quizzes

What am I going to get from this course?

  • Identify transversals through sets of lines
  • Name pairs of corresponding angles, vertical angles, supplementary angles, alternate interior angles, alternate exterior angles, and consecutive interior angles
  • Complete Proofs for parallel lines and transversals
  • Solve algebraic problems related to parallel lines and transversals

Who is the target audience?

  • Current Geometry students should take the course
  • Current Geometry teachers who need additional materials should take the course

What you get with this course?

Not for you? No problem.
30 day money back guarantee.

Forever yours.
Lifetime access.

Learn on the go.
Desktop, iOS and Android.

Get rewarded.
Certificate of completion.


Section 1: Course and Unit Introduction Videos
Geometry Course Introduction
Unit 5 Overview
Section 2: Lesson 1 - Parallel Lines and Transversals
Lesson 1 - Parallel Lines and Transversals
Section 3: Lesson 2 - Parallel Line Proofs
Lesson 2 - Parallel Line Proofs
Section 4: Lesson 3 - Algebra and Parallel Lines
Lesson 3 - Algebra and Parallel Lines
Section 5: Answer Key (One PDF with all the keys)
Answer Key (One PDF with all the keys)
14 pages

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Instructor Biography

Matt Gromlich, Math Teacher

I am a High School Math and High School Equivalency teacher in Las Vegas, Nevada. I just finished my 4th year of teaching. My background is in math and science (B.S. in Science and Math Education, M.Ed. in Agriculture Education from North Carolina State University). I recently started a Ph.D. program at the University of Nevada, Las Vegas in Curriculum and Instruction with an emphasis in Math Education.

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