Investigating the Slopes of Parallel and Perpendicular lines

Author

Texas Instruments

Alignment

Standards Alignment

Textbook Alignment

Subject Area

Math: Geometry: Points, Lines and Angles

Level

9-12

Activity Time

25 Minutes

Software

TI Connect™

TI Calculator

TI-84 series

Applications

Cabri™ Jr. for TI-83 Plus and TI-84 Plus

Resource Types

Lessons

Report an Issue

Investigating the Slopes of Parallel and Perpendicular lines

Activity Overview

In this activity, students investigate how equations of parallel and perpendicular lines relate to each other. They use the drawing and measurement tools of Cabri™ Jr. to explore the slopes of lines. NCTM Geometry Standards: Analyze characteristics and properties of 2- and 3-dimensional geometric shapes and develop mathematical arguments about geometric relationships. Specify locations and describe spatial relationships using coordinate geometry and other representational systems.

Before the Activity

Install the Cabri Jr. App on the students' graphing calculators using TI Connect™, a TI Connectivity Cable, and the Unit-to-Unit Link Cable

See the attached PDF file for detailed instructions for this activity

Print pages 44 - 45 from the attached PDF file for your class

During the Activity

Distribute the pages to your class.

Follow the Activity procedures:

Draw a line

Draw a line parallel to the original line

Draw a line perpendicular to the original line

Explore the relationships between the slopes of parallel and perpendicular lines

After the Activity

Review student results:

As a class, discuss questions that appeared to be more challenging

Re-teach concepts as necessary

Download Files

Download All Files (ZIP)

Before the Activity Files

Teacher Notes PDF

Author

Texas Instruments

Alignment

Standards Alignment

Textbook Alignment

Subject Area

Math: Geometry: Points, Lines and Angles

Level

9-12

Activity Time

25 Minutes

Software

TI Connect™

TI Calculator

TI-84 series

Applications

Cabri™ Jr. for TI-83 Plus and TI-84 Plus

Resource Types

Lessons

Report an Issue

iPad is a trademark of Apple Inc., registered in the U.S. and other countries.
Vernier EasyData,Vernier EasyLink and Vernier EasyTemp are registered trademarks of Vernier Science Education.

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Investigating the Slopes of Parallel and Perpendicular lines

Cabri™ Jr. for TI-83 Plus and TI-84 Plus

Investigating the Slopes of Parallel and Perpendicular lines

Before the Activity Files

Cabri™ Jr. for TI-83 Plus and TI-84 Plus

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