Mathematicians analyze the relationships between surface area and volume. They conduct Internet research, conduct various experiments, record the data in a spreadsheet, and graph the results and compare the rate of increase of surface...

Students explore an exponential relationship and how it relates to human population growth and the current global population crisis. They graph both exponential and linear information.

Students research water management strategies in Texas. They analyze projected demand for water in the year 2050, interpret graphs and tables and then discuss the data as part of a written report. They research and map the locations of...

Learners explore the differences between surface water and ground water. They collect data using maps and graphs and investigate a Texas river basin and a nearby aquifer. They complete a written report including maps and data regarding...

Eighth graders graph two inequalities with a single variable. They include drawing the intersection or union of inequalities on a number line. Students solve the linear equations using properties of equality and inequality. The lesson...

Fourth graders collect data, graph their data, and then make predictions based upon their findings. They's interest is maintained by the interesting way the data is collected. The data collection experiment is from the psychology work of...

Ninth graders explain how wind can produce electricity. In this geometry lesson, 9th graders construct their own pin wheel turbine and calculate its power. They discuss the pros and cons of using wind generator.