Trisecting a Square

Author

Jennifer Wilson

Alignment

Standards Alignment

Textbook Alignment

Subject Area

Math: Geometry: Quadrilaterals and Polygons

Math: Geometry: Quadrilaterals

Level

9-12

Activity Time

60 Minutes

TI Calculator

TI-84 series

Applications

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

Resource Types

Lessons

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Trisecting a Square

Activity Overview

Students will determine several ways to trisect a square. They will use Cabri Jr. to verify the square has been trisected and then prove their trisection using postulates and theorems from geometry.

Before the Activity

Students should have access to either the TI-83 or TI-84 family of calculators and a copy of the attached .doc file.

During the Activity

Students will determine several ways to trisect a square.

After the Activity

Review student answers:

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

Re-teach concepts as necessary

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Author

Jennifer Wilson

Alignment

Standards Alignment

Textbook Alignment

Subject Area

Math: Geometry: Quadrilaterals and Polygons

Math: Geometry: Quadrilaterals

Level

9-12

Activity Time

60 Minutes

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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Trisecting a Square

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

Trisecting a Square

Additional Files

Before the Activity Files

During the Activity Files

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

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