Khan Academy
Khan Academy: Parallel & Perpendicular Lines From Graph
Given points that two lines go through or the graph of each line, classify the lines as parallel, perpendicular, or neither.
CK-12 Foundation
Ck 12: Interactive Geometry: 5.3 Parallel and Perpendicular Line Constructions
Understand the step-by-step processes used to create accurate geometric figures.
PBS
Pbs Learning Media: Lines and Angles: Targeted Math Instruction
At the end of this activity, students will be able to identify and apply the properties of lines and angles and understand the concept of parallel, perpendicular, complementary and supplementary angles, vertical angles, and parallel...
Geometry Help
Geometry Help: Lines and Angles
Explains the basic concept of lines and angles with step-by-step instructions and methods for solving specific problems on your own relating to this topic.
PBS
Pbs Learning Media: Math + Arts: Perspective Drawing
For this lesson, students use line segments, angles, and parallel and perpendicular lines in order to create a one point perspective drawing.
Other
Nearpod: An Introduction to Angles
In this instructional activity, students will learn important definitions about angles relationships an use those facts to solve equations.
E-learning for Kids
E Learning for Kids: Math: School Bus: 2 D Space
Students will play learning games to explore parallel lines and two-dimensional shapes.
The Math League
The Math League: Basic Terms: Parallel Lines
This tutorial provides an explanation and example of parallel lines.
Sonoma State University
Sonoma State University: Parallel Lines and Similar and Congruent Triangles
This site defines eleven theorems relating to parallel lines and similar and congruent triangles. Links to the theorems and relevant term descriptions are provided.
Quia
Quia: Geometric Terms Matching
Do you need practice remembering or learning different geometry vocabulary words and definitions? This matching game is the web site for you! There is a link to a list of terms with definitions you can click if you want to see if you are...
Quia
Quia: Drawing Activity
This is a terrific set of activities related to art instruction. Includes matching, concentration, flashcards, and a word search. Great for art students looking for a fun way to review vocabulary terms.
McGraw Hill
Exercises With Parallel Lines and Transversals
This site is a page that students can check their understanding of parallel lines and transversals. The page contains small hints to the solution of each problem, students can check their answers online. After checking their answers they...
ClassFlow
Class Flow: Parallel and Perpendicular
[Free Registration/Login Required] This flipchart is designed to review differences between parallel and perpendicular while providing students ample opportunities to locate examples of each. A United Streaming video is included as well.
ClassFlow
Class Flow: Parallel Lines
[Free Registration/Login Required] This flipchart gives information and examples of the relationships of angles when parallel lines are cut by a transversal.
ClassFlow
Class Flow: Parallel Lines and Angles
[Free Registration/Login Required] This flipchart regards parallel lines and relationship of angles created by a transversal. Includes lesson on vocabulary, Jeopardy-style game, and quiz.
ClassFlow
Class Flow: Slope of Parallel Lines
[Free Registration/Login Required] This flipchart investigates the idea that linear equations that have the same slope will create parallel lines. We did some samples in class and then students are to predict what happens when equations...
ClassFlow
Class Flow: Slope of Parallel Lines
[Free Registration/Login Required] Given slope and y-intercept (or a point) can you create the equation for a line parallel to that line (and then graph it)?
Free Math Help
Free Math Help: Special Pairs of Angles
The lesson investigates special pairs of angles. Topics explored include complementary, supplementary, and vertical angles. Students learn about the concept and view diagrams and exercises with solutions.
Free Math Help
Free Math Help: Parallel Lines
The Geometry session explores parallel lines. Properties, definitions, and examples are included.
ClassFlow
Class Flow: Exploring Relationships With Lines
[Free Registration/Login Required] This flipchart explores the mathematical relationships between lines using algebra.
ClassFlow
Class Flow: Parallel Lines and Angle Relationships
[Free Registration/Login Required] Explore the relationships between parallel lines and the rules of angle measurements.
ClassFlow
Class Flow: Parallel Lines and Planes
[Free Registration/Login Required] This flipchart defines parallel lines and planes. It defines a transversal, the concept of alternate angles, and vertical angles.
ClassFlow
Class Flow: Lines Parallel
[Free Registration/Login Required] The teacher will use this lesson plan flipchart to review parallel lines.
Math Is Fun
Math Is Fun: Parallel Lines
Students learn about parallel lines and pairs of angles. Definitions and examples are included.