Education Technology

Evaluating Expressions

Activity Overview

Students will evaluate expressions using pencil and paper and then use the editing features of the home screen and/or the table feature of the TI-83 Plus to provide immediate positive reinforcement.

Before the Activity

Students should have access to either the TI-83 Plus or TI-84 Plus family of calculators.

During the Activity

Ask students to write out the expanded form of expressions. Have students support their answers by evaluating the original form and the expanded form on the TI-83 Plus.

After the Activity

Review student answers:

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