- When the same measurement is taken over a period of time and put on a graph, a trend line forms. What is the trend for the number of farms in Iowa from 1950 to 2014? What is the trend for the average size of a farm in Iowa from 1950 to 2014?
- Connect to what you know about urban and rural areas as well as agriculture and manufacturing. Make a prediction about where people are living and what kinds of jobs they may have today versus long ago. Explain your prediction.
"Number of Farms and Average Farm Size - Iowa: 1950-2014," pp. 10, Iowa Agricultural Statistics Bulletin, National Agricultural Statistics Service, United States Department of Agriculture (USDA), 2015. Courtesy of USDA