Education Technology

NYS Standard G.G.55 - Determining if angle measure is preserved under a rotation about a point.

Author
Subject Area
Math: Geometry: Transformational Geometry
Level
9-12
Activity Time
15 Minutes
TI Calculator
TI-Nspire CX series
Resource Types
Lessons

NYS Standard G.G.55 - Determining if angle measure is preserved under a rotation about a point.

Activity Overview

The students will use the .tns documents ROTATE2 to discover the relationship between the measures of the angles of a pre-image and image after a rotation about a point.

Before the Activity

  1. Download the .tns document ROTATE2 to handhelds using TI-Nspire Computer link software or Connect to Class software.
  2. Students should do the worksheet "Using TI-Nspire to Explore".

During the Activity

This activity is a lesson launcher for understanding the relationship between the measures of the angles of a pre-image and image after a rotation about a point.

  1. Distribute the Student Worksheet for angle measure.
  2. Students use the .tns document ROTATE2 to answer questions from student worksheet.

After the Activity

Review student results from worksheet.

Author
Subject Area
Math: Geometry: Transformational Geometry
Level
9-12
Activity Time
15 Minutes
TI Calculator
TI-Nspire CX series
Resource Types
Lessons
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