Measuring Angles in a Quadrilateral

Author

Texas Instruments

Alignment

Standards Alignment

Textbook Alignment

Subject Area

Math: Geometry: Quadrilaterals

Level

9-12

Activity Time

45 Minutes

Software

TI Connect™ CE

TI Calculator

TI-84 series

Applications

Resource Types

Lessons

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Measuring Angles in a Quadrilateral

Activity Overview

Students determine the sum of the interior angles of a quadrilateral.

About the Lesson

Students will find the sum of the interior angles of their quadrilateral. Then, they will move vertices to change the angle measures and find the sum again. Students should find that the sum of the interior angles of a quadrilateral is always 360 degrees.

Students will create a new Cabri Jr. file. (no file for download)

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Download All Files (ZIP)

Lesson Files

Student Activity DOC Student Activity PDF Teacher Notes PDF Measuring_Angles_in_a_Quadrilateral_Teacher.doc

Author

Texas Instruments

Alignment

Standards Alignment

Textbook Alignment

Subject Area

Math: Geometry: Quadrilaterals

Level

9-12

Activity Time

45 Minutes

Software

TI Connect™ CE

TI Calculator

TI-84 series

Applications

Resource Types

Lessons

Report an Issue

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Measuring Angles in a Quadrilateral

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

Cabri™ Jr. for TI-84 Plus C Silver Edition

Cabri™ Jr. for TI-84 Plus CE

Measuring Angles in a Quadrilateral

Lesson Files

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

Cabri™ Jr. for TI-84 Plus C Silver Edition

Cabri™ Jr. for TI-84 Plus CE

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