Intersecting Lines and Vertical Angles

Author

Texas Instruments

Alignment

Standards Alignment

Textbook Alignment

Subject Area

Math: Geometry: Points, Lines and Angles

Level

9-12

Activity Time

20 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

Intersecting Lines and Vertical Angles

Activity Overview

In this activity, students visualize and explore the angles that are formed when two lines intersect. By measuring angles formed by intersecting lines, they enhance their understanding of vertical angles, supplementary angles, and a linear pair. NCTM Geometry Standard covered: Analyze characteristics and properties of 2- and 3-dimensional geometric shapes and develop mathematical arguments about geometric relationships.

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 9-10 from the attached PDF file for your class

During the Activity

Distribute the pages to your class.

Follow the Activity procedures:

Draw two intersecting lines

Measure one pair of vertical angles, using the Angle measure tool

Move a line to change the angles

Observe the changes in the angle measures

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

20 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

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Vernier EasyData,Vernier EasyLink and Vernier EasyTemp are registered trademarks of Vernier Science Education.

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Intersecting Lines and Vertical Angles

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

Intersecting Lines and Vertical Angles

Before the Activity Files

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

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