Education Technology

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  • Subject Area

    • Math: Middle Grades Math: Number Sense
    • Math: Middle Grades Math: Statistics and Probability
    • Math: PreAlgebra: Number Sense and Operations
    • Math: PreAlgebra: Probability, Statistics and Data Analysis

  • Author

    Texas Instruments

  • Level

    6-8

  • Activity Time

    60 Minutes

  • Device
    • TI-15 Explorer™
  • Other Materials
      This is Activity 3 from the EXPLORATIONS Book:
      Developing Problem-Solving Skills with the TI-15

      The following materials are required for this activity:
    • Chart paper and markers
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Pizza Extravaganza

Published on 06/09/2008

Activity Overview

Students will conduct a survey of the class to determine favorite pizza toppings. They use this sample information to predict the preferred toppings for the school and use the TI-15 to help them with the calculations to plan a school-wide pizza party.

Before the Activity

  • See the attached PDF file for detailed instructions for this activity
  • Print pages 18 - 24 from the attached PDF file for your class
  • During the Activity

    Distribute the pages to the class.

    Follow the activity procedures:

  • Find the number of students who choose each flavor of ice-cream
  • Record the total number of students in the class to determine the percent of students preferring each flavor


  • Conduct a survey of the class to determine the favorite pizza toppings
  • Record the number of students who vote for a particular topping
  • Use the calculator to find the percentage of the class that prefers each type of topping
  • Calculate the percentage and the number of students in the school who are likely to prefer each type of topping
  • Calculate the number of pizzas of each type that is needed
  • Create a chart showing the survey results and write an explanation of the calculations
  • After the Activity

  • Review student results
  • As a class, view posters and discuss the similarities and differences between the different solutions
  • Re-teach concepts as necessary