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)
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.