Education Technology

Math TODAY for TI-Navigator System - Red Meat Consumption Continues to Drop

Activity Overview

The USA TODAY Snapshot, "Red meat consumption continues to drop" will allow students to work with two sets of data over the same time period. This activity will show how a system of equations can be used to answer questions about the data set. The students will use the data about red meat consumption to make a prediction about poultry consumption.

Before the Activity

Setup your TI-Navigator™ System

  • Make sure you are familiar with the following functions: Send to Class, Collect from Class, Screen Capture, Quick Poll and Activity Center

  • Your students will need a TI-83 Plus or TI-84 Plus graphing calculator, either working in pairs or individually
  • Download the attached activity resource files from all three sections to your computer

  • Multimedia Projector for sharing the Activity Center, Quick Polls and Screen Captures with your students

  • TI Keyboards for students to easily answer the LearningCheck assessment questions

  • During the Activity

    Students will:

  • Explore linear and quadratic functions and graphs
  • Interpret and develop mathematical (regression) models using TI graphing calculators
  • Use various methods to analyze real-world problems (graph data, symbolic representations)

  • Directions
  • Distribute the Student Edition PDF file to your class
  • Follow the activity procedures outlined in the Teacher document
  • You may use the Graphic PDF file to display a large image of the USA TODAY graphic during the activity

  • After the Activity

    Access your students' understanding by using Send to Class, LearningCheck™ App and Class Analysis.