Students will determine the rate of growth of the U.S. cropland and find a linear model from the data to predict the value of an acre of cropland
in the future should these trends continue.
Before the Activity
If you are using the TI-Navigator System™ with the TI-73 Explorer™ you will need the attached .pdf file.
See the attached Teacher Edition PDF file for notes and guidelines for this activity. The Technology Guide PDF file includes step-by-step calculator instructions with screen shots.
If you are using the TI-Navigator™ Classroom Learning System, see the TI-Navigator Basic Skills Guide PDF file for information on how the system can be integrated into your activity.
During the Activity
Find the rate of change (slope) for a given set of data.
Determine the linear regression model from data.
Use the regression model to predict an answer.
Use the appropriate labels with numerical values for the rate of change.
Create a scatter plot of the data.
Distribute the Student Edition PDF file to your class.
Follow the activity procedures outlined in the student document.
You may use the Transparency PDF file to display a large image of the USA TODAY graphic during the activity.
After the Activity
Distribute the assessment questions or send the attached LearningCheck™ assessment to your class to gauge student understanding of the concepts presented in the activity.