Exploring parallel and perpendicular lines A gold star indicates high-quality, inquiry-based activities that follow the PhET design guidelines.


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Title Exploring parallel and perpendicular lines
Description This activity is intended for an algebra 1 class to make connections between slope and parallel/perpendicular lines. By the end of the activity, the students should be able to identify which lines are parallel, perpendicular, or neither based on the equations in either point-slope form or slope-intercept form. There are four files: Worksheet: This is the worksheet the students fill out during the activity. Lesson Outline: This is a description of the lesson for the teacher. Exit Ticket: This is an exit ticket to be completed at the end of class. Challenge Questions: This is a sheet with extra, more challenging questions for students who work through the activity quickly.
Subject Mathematics
Level High School, Middle School
Type Guided Activity, Lab
Duration 60 minutes
Answers Included No
Language English
Keywords parallel, perpendicular
Simulation(s) Graphing Lines (HTML5)


Author(s) David Schenck
Contact Email david.eric24@gmail.com
School / Organization Boulder High School
Date submitted 19/06/05
Date updated 19/06/05