Instructional Video
Sophia Learning

Sophia: Writing a Linear Equation From a Perpendicular Line and Point

9th - 10th Standards
This video discusses how to write a linear equation from a perpendicular line and a point. Students learn about the concept through a detailed example. [3:39]
Instructional Video
Khan Academy

Khan Academy: Parallel and Perpendicular Lines

4th Standards
Demonstrates how to identify parallel and perpendicular lines in geometric drawings. [3:34]
Instructional Video
Khan Academy

Khan Academy: Geometry: Identifying Parallel and Perpendicular Lines

9th - 10th Standards
Identifying parallel and perpendicular lines in a diagram. [3:34]
Instructional Video
Khan Academy

Khan Academy: Identifying Parallel and Perpendicular Lines

9th - 10th Standards
Identifying parallel and perpendicular lines in a given diagram.
Instructional Video
Virtual Nerd

Virtual Nerd: Common Core State Standards Grade 5 geometry5.g.a5.g.a.1 Common Core

4th - 6th Standards
Tutorials that show the origins, X and Y coordinates, etc.
Instructional Video
Khan Academy

Khan Academy: Parallel & Perpendicular Lines Intro

3rd - 5th Standards
Parallel lines never intersect, and perpendicular lines intersect at a 90 degree angle. Learn how to identify parallel and perpendicular lines.
Instructional Video
Khan Academy

Khan Academy: Parallel & Perpendicular Lines

3rd - 5th Standards
Parallel lines are lines in a plane that are always the same distance apart. Parallel lines never intersect. Perpendicular lines are lines that intersect at a right (90 degrees) angle.
Instructional Video
Study Pug

Study Pug: Perpendicular Line Proofs

9th - 10th Standards
Video lesson explains angles, lines, and transversals. [9:33]
Instructional Video
Sophia Learning

Sophia: Drawing Line Relationships: Lesson 2

9th - 10th Standards
This lesson will demonstrate how to draw intersecting, perpendicular, and parallel lines.
Instructional Video
Sophia Learning

Sophia: Writing an Equation for Perpendicular Lines in the Real World

9th - 10th Standards
In this lesson, students will learn Writing an Equation for Perpendicular Lines in the Real World. Student watch a video tutorial.
Instructional Video
Khan Academy

Khan Academy: Parallel & Perpendicular Lines Intro

4th Standards
Learn the properties of parallel and perpendicular lines so that you can easily identify them. [2:08]
Instructional Video
Sophia Learning

Sophia: Complementary Angles

6th - 8th
Complementary angles are introduced in this video tutorial. [1:18] Students can check their understanding with an assessment.