Curated OER
Coordinate Grid: Mapping Archeological Sites
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...
Curated OER
The Sum of the Parts
Second graders observe some everyday common objects in order to attempt to learn about simple systems and how they fit together. They observe small details in order to identify the parts of a whole design.