Computer with Internet access, printer, pencil, paper, calculator. Grid paper and ruler if graphing is done with pencil. Review plotting data points and graphing. Discuss Internet search procedures. Have students access Student Instructions .
Students collect data on worksheets, make predictions, graph data points.
Students write descriptions, comparing similarities and differences of graphs, reflecting on predictions and outcomes. Conduct discussion and review. For evaluation, collect data collection worksheets, graphs, and descriptions. If time permits, allow search time on the Internet to see if sites can be located which allow for further investigation of these growth patterns. From this lesson students will discover that linear and exponential growth patterns exist in diverse situations.