A vast number of lesson plans, practice problems, and other resources for teaching elementary-school math are available. But when Maria H. Andersen is teaching future teachers, she says, they often do ...

The California Commission on Teacher Credentialing has launched a Roadmap to Teaching initiative that helps guide potential educators through the process of earning a credential. A digital tool on its ...

The Library of Congress has recently digitized a group of puzzle maps dating from the late 18 th to the early 20 th century. These “dissected maps” were the first generation of jigsaw puzzles; ...

This clip demonstrates how to use the scale of a map to calculate distance. JOE CROWLEY: Because maps are drawn to scale they’re perfect for working out the exact distance between two features on the ...