Smithsonian Institution
George Washington: A National Treasure
Take a closer look at the life and presidency of George Washington with this great set of lesson plans and worksheets. The resource includes a timeline of the president's life and multiple opportunities for primary source and image...
Curated OER
Surveying: 19 Chains and 50 Links
Through an interdisciplinary lesson, emerging engineers explore the history of surveying systems. After discussing various systems, they perform surveys on printable pages. Using their geometric skills, they physically stake out plots...
Curated OER
Flying with Pythagoras
A lengthy narrative about Pythagoras and his students precedes an activity in which your young mathematicians practice using the Pythagorean theorem to solve three problems about flight and distance. Answers are provided.
Curated OER
19 Chains and 50 Links
Students investigate surveys as it relates to chains and links. In this math lesson, students relate math to history and surveys done above, below and on the earths' surface. They review vocabulary pertaining to this lesson before moving...
Curated OER
Topo Map Mania!
Seventh graders describe the major features of maps and compasses. They read a topographical map. They take a bearing using a compass. They practice using scales on a map.
Curated OER
Areeas of Parallelograms and Triangles
Twelfth graders are able to deduce the area of polygons by using several methods such as coordinate method. They are able to apply the area of polygons to real life situations. Students apply the Pythagorean Theorem in problem solving...