Education Technology

Percent Square

Published on 06/09/2008

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