Activity Link Description Grade Real World Math A resource for many math lessons across all grade levels using the real world to illustrate math concepts.     Mazes & Labyrinths Google Earth tour that focus on the concepts of geometry and symmetry using aerial imagery of 50 mazes and labyrinths from around the world.   5-12 Estimating Distance Google Earth lesson using real world imagery to develop estimation and measurement skills.   4-8 Complex Area Problems Google Earth lesson to practice measuring distances, finding areas of complex polygons, and solve word problems involving rates.   6-8 Creating Pictographs Google Earth can be used to create attractive graphs.  Using the variety of the icons available, the students can relate their data to a certain landmark on Earth for a more meaningful presentation.     5-7 Polyhedrons with Sketch-up Students construct polyhedrons with Google Earth's Sketch-up tool that they then examine:  cross-sections, surface area, and volume concepts.   9-12 Computing with Scientific Notation Using Google Earth's measurement tools, students use imagery to practice scientific notation calculations, measurement skills, and using the distance formula.  (Worksheet link included)   7-9 Money Makes the World Go Around Crisscrossing the Google Earth globe, students connect countries' foreign currency exchange rates through a series of word problems they create and solve.  (Worksheet link included)   6-8 Choropleth Maps and Population Interactive Flash animation lesson exploring population change over time that helps students put trends into perspective, gather the right kind of data, and make choropleth maps that help develop critical thinking skills.   6-10 $tore Territory: Analyzing Retail Market Areas A set of interactive Flash animation scenarios that allow students to investigate the effect of strategies for locating franchises.  Students experiment with the variables of: minimizing travel distance, franchise territory division, maximizing market share, and simulated regions.   5-12 House Hunter for Area A hands-on activity you can do with fourth-graders to directly apply the concept of area to the place they knows best – their houses.   4 Stonehenge Geometry   Stonehenge builders had geometry skills to rival Pythagoras HS