Students explore the global grid system. In this globe lesson, students identify latitude and longitude lines and how these can tell the coordinates of any place. They use the Internet to find the exact coordinates for their town. 

Students investigate an attic or basement to "discover" family artifacts. They develop a grid map using string, create a naming system for the grid, and analyze items of interest.

Fourth graders discover how to apply the Cartesian coordinate system by figuring out the length and width of their school playground. They determine that pacing is an important tool for the initial mapping of a site. Students conduct a...

Students analyze the costs and benefits that are involved with owning a business. They create their own decision making grid and identify their trade-offs. They also identify the opportunity costs involved in owning their own business.

Middle schoolers examine how archaeologists preserve context of sites through use of rectangular grid or Cartesian coordinate system, and develop sense of distance by pacing off and estimating distances.