Education Technology

# Activities

• ##### Subject Area

• Math: Algebra I: Linear Functions

6-8

120 Minutes

• ##### Device
• TI-83
• TI-83 Plus Family
• TI-84 Plus
• TI-84 Plus Silver Edition

CBR™/CBR 2™

• ##### Other Materials
Meter tape measure, chalk, masking tape or glass paint to mark the floor in 1 meter increments.

## Walk My Walk

#### Activity Overview

A two-part activity that uses a CBR to develop the notion of slope and y-intercept through various walking activities. Part A develops a general notion of how changes in walking are reflected in various graphical representations. Part B formalizes the ideas of (1) slope and its relationship to speed and (2) y-intercept and its relationship to starting point.

#### Before the Activity

See the attached PDF file for detailed instructions for this activity. Install the program MOVE.8xp on teacher and student calculators. Mark off five meters in one meter increments for teacher demo. Print student worksheets.

#### During the Activity

A two-part activity that uses a CBR to develop the notion of slope and y-intercept through various walking activities. Part A develops a general notion of how changes in walking are reflected in various graphical representations. Part B formalizes the ideas of (1) slope and its relationship to speed and (2) y-intercept and its relationship to starting point. See above PDF file for detailed teacher/student notes.