The formulas for 45-45-90 and 30-60-90 triangles and the use of the Pythagorean theorem to prove the formulas.
This guide to the 50 U.S. states provides maps, pictures of state symbols, statistical information, and links to many other related sights. Test your knowledge with one of the quizzes or search for one of the fun facts.
Remember the five themes of geography (location, region, movement, place, human environment and interaction) with this simple video tutorial [1:28]
The Bill of Rights contains positive and negative rights. The right to bear arms that is in the Second Amendment is considered to be a negative right.
This podcast discusses how citizens can influence the executive branch. This episode originally aired in October 2011.
Do you have any fundamental rights - rights that cannot be violated by government? Find out who has fundamental rights and the role democracy has with those rights on today's podcast. [1:06]
Can people of varying ethnic, religious, and national identities ever form one political people based on a common civic identity? Find out on today's podcast. [1:17]
What is popular sovereignty? Is government the master of the people, or is it the other way around? Find out on today's podcast. [1:03]
On the podcast today, we learn about the rise of capitalism and when it began. [1:22]
Learn about popular sovereignty, a foundational component to democracy, and the consent of the governed on today's podcast. [1:05]
How did the Soviet Union dissolve? Find out on this podcast. [1:06]
Today we begin our discussion of the Renaissance and how it contributed to ideas about rights. [1:19]
Animated video [1:05] summarizing the accomplishments and challenges of President Barack Obama's two terms in office. Supplemented with fact sheet and background essay on Barack Obama.
Lively video [1:09] on the accomplishments and failures of Benjamin Harrison's presidency. Support materials for students include background essay on Harrison and fact sheet with questions to follow along with the video.
Lively video [1:15] sums up the success and failures of Bill Clinton's presidency. Background essay for further reading and fact sheet with writing prompts provided to supplement learning.
60-Second Presidents video [1:14] on the life and presidency of Calvin Coolidge.
Short animated video [1:13] from PBS 60-Second Presidents series on the life and presidency of Chester A. Arthur. Includes a fact sheet with questions and background essay on Arthur.
60-Second Presidents video on the two term president, Dwight D. Eisenhower. Students can follow along the video with a fact sheet and read background essay for additional information. [1:21]
60-Second Presidents video [1:23] on the presidency of Franklin D. Roosevelt. Students will learn about the many accomplishments of Roosevelt's unprecedented 12 year term. Student handouts include fact sheet and background essay on Roosevelt.
Short animated video [1:18] on the presidency and legacy of George W. Bush. Includes supplemental materials for teachers and students.