Education Technology

# Activities

• ##### Subject Area

• Maths: Elementary Math: Measurement
• Maths: Middle Grades Math: Measurement
• Maths: PreAlgebra: Measurement

6-8

60 Minutes

• ##### Device
• TI-73 Explorer™
• ##### Other Materials
This is Activity 7 from the EXPLORATIONS Book:
Data Collection Activities for the Middle Grades with the TI-73, CBL™, and CBR™

The following materials are required for this activity:
• Yardstick
• Meter stick

## Metric Rules

#### Activity Overview

In this activity, students will collect data by measuring different linear objects and develop a strategy to determine the conversion factors required to convert from one linear measurement to another.

#### Before the Activity

• See the attached PDF file for detailed instructions for this activity
• Print pages 105 - 113 from the attached PDF file for your class
• #### During the Activity

Distribute the pages to your class.

Follow the Activity procedures:

• Measure and record the lengths and widths of a desk, chalkboard and textbook in feet and inches, meters and centimeters
• Determine the conversion factor for the English system (inches and feet)
• Determine the linear conversion factors in the metric system
• Use the factors to convert from one unit to the other
• #### After the Activity

Students will complete the Data Collection and Analysis Sheet and answer questions listed in it.

Review student results:

• As a class, discuss questions that appeared to be more challenging
• Re-teach concepts as necessary