Education Technology


Math TODAY - Cropland Value Grows

Activity Overview

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

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.

During the Activity

Students will:

  • 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.


  • Directions:
  • 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.