# Activities

• ##### Download

• • ##### Subject Area

• Math: Middle Grades Math: Number Sense
• Math: Middle Grades Math: Basic Facts
• Math: PreAlgebra: Number Sense and Operations

• ##### Author 6-8

60 Minutes

• ##### Device
• TI-73 Explorer™

TI Connect™

• ##### Accessories

TI Connectivity Cable
Unit-to-Unit link cables

Percent Square

#### Activity Overview

In this activity, students use the Rational Number Rampage application to play a game and explore fractions, decimals, and percents. They are shown a hundred square grid with different number of squares colored and are required to determine the fraction, decimal, or percent of the grid that is colored.

#### Before the Activity

• Install the Rational Number Rampage App application on the calculator using the TI Connect™ , TI Connectivity Cable, and Unit-to-Unit Link Cable

• Set up the calculator as explained in the appendix file
• See the attached PDF file for detailed instructions for this activity
• Print the pages from the attached PDF file for the class
• #### During the Activity

Distribute the pages to the class.

Follow the Activity procedures:

• Start the application and select the appropriate level of difficulty
• Calculate the number of colored squares on the hundred-square grid and determine the fraction, percent, or decimal portion of the grid that is colored
• A wrong answer allows the students a second try with half the points
• The object of the game is to get the highest score possible
• #### After the Activity

Review student results:

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