Second graders use geoboards to model polygons and to practice finding lines of symmetry.

Students explore the relationship between flat and three-dimensional shapes. They identify the names of 3-D shapes and construct cubes from squares.

Eighth graders engage in a lesson that is concerned with examining two dimensional figures with different properties that include circles, triangles, queadrilaterals, etc... They identify the types of figures that is identified as polygons.

Learners participate in a hands-on activity that shows the independence of perimeter and area for simple irregular figures.

Middle schoolers work together to create mobiles with different polygons. They research the polygon and list its characteristics. They may present to the class if they chose to.

Students create a picture of an actual scene or overlap the called out lines or shapes into a space-breaker. If someone calls out a line or shape a student had not planned to use in the art, they have to figure out some way to use it...

Students construct a barrel or other curvy container and then estimate and gauge its volume.

Fifth graders investigate the relationship between math and art by examining patterns and polygons.They examine how polygons make up the patterns that form tessellations, and determine tessellations that occur in nature. Finally, they...

Learners examine how the love bug virus caused billions of dollars in damage after it spread from Asia. Students create profiles of hackers and design a public service announcement and posters to discourage the creation of such viruses.

This essay provides an in-depth explanation of the events surrounding the New York Times' publishing of the Pentagon Papers during Richard Nixon's presidency. Included are audio clips of conversations between Nixon and various members of...

This site offers an extensive history of the 1971 Pentagon Papers case. Features include transcripts of President Nixon's tapes, White House phone conversations, memoirs, and other primary resources.

When is the freedom of the press more important than classified foreign policy information? The Pentagon Papers Trial attempts to answer this constitutional quandary. Included in this site is a summary of the trial, the actual Pentagon...

The Pentagon Papers are a history of United States' political and military involvement in Vietnam from 1945 to 1967. In 1971, Daniel Ellsberg released portions of the documents to the press. Forty years later, the complete set of...

The Pentagon Papers, a study of U.S. political and military involvement in Vietnam from 1945 to 1967, were leaked by whistleblower Daniel Ellsberg to the New York Times newspaper in March 1971 revealing that the US government had been...

Transcripts of conversations with Daniel Ellsberg that go into detailed accounts of Vietnam, The Pentagon Papers, and more of Mr. Ellsberg's experiences.

The 1971 leaking of the Pentagon Papers to the New York Times led to a Supreme Court case in which the government took the newspaper to court over publishing classified information about Vietnam War policy.

E-book page on the final era of the Vietnam War in which the Pentagon Papers were released, protest and conflict over the war increased at home and Nixon's Vietnamization began. Questions for discussion, glossary and link to primary...

This U.S. Supreme Court case allowed the publication of the "Pentagon Papers." The OYEZ resource provides an abstract containing a concise summary, an audio file, a link to the full text of the decision and a record of how the justices...

Need a pentagonal pyramid that's six inches tall? Or a number line that goes from -18 to 32 by 5's? You can create all those things and more.

An interview with James Goodale, the general counsel for "The New York Times" during the Pentagon Papers case, concerning the Pentagon Papers and the First Amendment.

The text of the policy of sustained reprisal from "The Pentagon Papers," covers introductory remarks, an outline of the policy, the expected effect of sustained reprisal policy, and present action recommendations.

This site from The History Place is a comprehensive site about the events leading up to the Vietnam War and ending with the withdrawal of American troops. Excellent slide show with an array of images from the era.

A biography of Neil Sheehan, a journalist who won the Pulitzer Prize for Non-Fiction for a book he wrote about his experience of the Vietnam War. Includes a profile, videos, and a photo gallery.

The 1960's was a time of upheaval in America mainly led by young adults disenchanted with the government. Examine the influences of this movement and read an excerpt from the Port Huron Statement written by the SDS at the University of...