Students identify the radius and diameter of a circle. In this geometry instructional activity, students calculate the volume and area of a cylinder and circle. They relate the circumference of a circle to Pi.

Learners apply the Unit Circle to solve ratios of triangles. In this geometry lesson, students derive the different ratios of a triangle using the Pythagorean Theorem. They find the angles of a unit circle using a right triangle.

Students create a memorial to honor Revolutionary War soldiers for the National Mall in Washington, D.C. They discuss the Revolutionary War.

Students survey their peers on the issue of homelessness. They visit a shelter and research it on the internet. They identify myths and discover the importance of job skills and education.

Students are divided into teams to practice their math facts. They use t-charts to solve problems. They must show all of their work to win the race.

Students see that people have developed new technologies and new products that increase efficiencies and maximize the productive use of each tree harvested. This lesson provides many good ideas across the curriculum to study forestry.

Students view a film about warships during World War II. They discover the job of a seaman and what impact veterens have on the world today. They also examine the lasting effects of the war.

Learners view a film about soldiers returning to Vietnam years after the war. They discover the need of closure by the soldiers because the war was not won. They examine the results of the war and answer questions to complete the lesson.

Students examine the various cultures of the immigrants who came to America. Using the internet, they research various ethnic and cultural groups within the United States. They identify the reasons why people immigrated to the U.S. and...

In this USA holiday and celebrations activity, 5th graders complete a set of 17 questions about holidays and celebrations. Students may click on an answer button beneath each sentence to check their work.

In this English worksheet, students read "Iraq War Protests in Washington DC," and then respond to 47 fill in the blank, 7 short answer, 20 matching, and 8 true or false questions about the selection.

Students use maps, readings and photographs to locate prisoner of war camps in the North during the Civil War. They identify the camp's population sizes and mortality rates and how the camps' uses have changed over time.

Pupils explore and research the history of Native Americans in North America.

Students use the Archival Research Catalog to complete assignments and activities about Lewis Hines and the National Child Labor Committee.

Students use the National Archives and Records Administration's records to research the history of the U.S. Food Administation.

Students discribe the principle and the history of separation of powers.

Students use documents in the National Archives of the United States to evaluate the effectiveness of D-Day.

Students use the National Archives to research the memorandum regarding the enlistment of Navajo Indians during World War II.

Students research Senator Joseph McCarthy's February 9, 1950 speech, given at Wheeling, West Virginia, in which he claimed more than 200 State Department employees were members of the Communist Party.

Students use the National Archives to research how the United States and the Soviet Union south to maintain its supremacy after World War II.

Students use the National Archives to researcj cout coduments related to Martin Luther King, Jr.

Students identify nonprofit organizations within their local community. They practice using the yellow pages to locate these organizations. They use an organizer to keep all of the information they gathered organized.

Learners listen to songs from the Civil Rights movement. They explain how the music might have inspired African-Americans to be activists in the movement. They examine how the Civil Rights movement affected the common good.

Students use maps to locate information on Egypt, then create their own maps to display knowledge gained from the lesson and Web sites. They recognize, create, and describe the pyramid's geometric shape in three-dimensional forms.