CK-12 Foundation
Ck 12: Elem Math: Identifying the Properties of Squares
[Free Registration/Login may be required to access all resource tools.] Students watch a video overview and attempt practice problems on identifying the properties of squares.
Cornell University
Cornell University: Law School: Child Custody: An Overview
This site from the Cornell University School of Law provides a brief overview of child custody with links to federal and state legislation on the topic.
Khan Academy
Khan Academy: Brown v. Board of Education of Topeka
Discusses the famous Supreme Court decision that ended school segregation, Brown v. Board of Education of Topeka (1954).
Independence Hall Association
U.s. History: The Sit in Movement
Just like the Montgomery Bus Boycott, the first sit-in at a Woolworth's lunch counter was the beginning of a nonviolent movement to challenge "white only" laws. Read about how the sit-in movement spread across the South. See how...
University of Pennsylvania
Suffrage Songs and Verses by Charlotte Perkins Gilman
This is the full text of Charlotte Perkins Gilman's 1911 pamphlet that served to encourage women to rally to the cause of woman suffrage.
