Curated OER
Zip Codes
Students discover how a zip code is used. In this zip code lesson, students use the parts of a zip code to find where a letter is going, then find the first number of zip codes based on geographic regions.
Curated OER
Family Tree
Young scholars create a family tree in this culminating activity to their family unit. In this family tree lesson, students extend their learning about the family unit by working in small groups to develop a three generation family tree....
Other
The Unconstitutionality of the Laws of Congress Prohibiting Private Mails
An exposition by Lysander Spooner on behalf of the American Letter Mail Company entered according to an Act of Congress in1844, asserting that the company should have the right to establish post offices in competition with those of...
Curated OER
National Park Service: Pony Express: History and Culture
A good article from the National Park Service which recounts the history of the brief existence of the Pony Express. Read about the route, what caused the demise of the Pony Express, and what part of the trail can still be seen.