Middle Grades Math: Scaling the Geometry

Objectives

• Students will create a scale and measure so that the measurements on various images on the TI-Nspire pages will represent the True values.

Vocabulary

• scale
• diameter
• circumference
• perimeter
• radius
• arc length
• millimeter
• centimeter
• milliliter
• degree Fahrenheit
• ratio
• proportion

About the Lesson

This lesson involves scale drawings of actual images on the TI-Nspire handheld.
As a result, students will:

• Use the geometry tools to draw line segments or other items on the images of several objects.
• Manipulate the scale on a Geometry page.
• Adjust the measurements on the Geometry page to represent 'True' dimensions.