Education Technology

# Activities

• ##### Subject Area

• Math: PreAlgebra: Equations

9-12
College

30 Minutes

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

TI Connect™

• ##### Accessories

TI Connectivity Cable

• ##### Other Materials
Suggestion: Use as a lead-in to 5.3 either distribute to students right before (or at the beginning of) class, or as your presentation.

## Solve Absolute Value Equation

#### Activity Overview

This StudyCards™ set moves from explaining what an equation is, to solving an equation. The function approach is used to solve the equations. Use with Foundations for College Mathematics, ch. 5-3.

#### Before the Activity

Understand absolute value function behaviors. Download the attached StudyCard file to students' calculators.

#### During the Activity

Use this StudyCards set to answer the question, "what is an equation?" and to learn the meaning of solving an equation using the trace method. The function approach is used to solve the equations.

#### After the Activity

Review student results:

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