This is an introduction to finding the arc length and area of sectors of circles. Students should have the formulas for Circumference and Area of circles.

Scientists from the University of Arizona are conducting Y chromosome research on native Siberians to try to determine whether there is a genetic affinity to North American native people. The rationale and direction of this research are explained here.

A story about being ready for the activities children do in kindergarten. Includes audio narration in 20 additional languages with text in English.

This site is a pamphlet about teen job safety. It gives specific examples of dangerous situations as well as laws for teen workers.

Students determine the area and perimeter of regular polygons and use that information to conduct a beginning investigation of limits.

Make your students' game play more meaningful by using our activity and assessment set designed specifically for Argument Wars. This easy-to-use Extension Pack helps you give context and purpose to the game, as well as reinforce and assess the game concepts. That means deeper learning for students, and best practices around game-centered learning for you!
Extension Packs require PowerPoint and are designed for use with projectors or interactive whiteboards. LESSON OBJECTIVES: Explore the nature of court cases about constitutional rights *Analyze the kinds of support used to argue a constitutional rights case *Identify appropriate arguments for landmark Supreme Court cases

This is a lesson from Richland Community College on arithmetic sequences. This site provides theories and examples for working with different problems of arithmetic sequences such as calculating the Sum and Difference of an arithmetic sequence.

The online home of award-winning PBS television series "Art:21" opens a window into the world of contemporary art and artists. Includes a lessons library, downloadable educator guides, examples of student-created projects inspired by the series, artist interviews, videos, and amazing slideshows of the works of dozens of working artists.

This interactive site gives examples of how to write a letter, an email, a postcard, and a greeting card. It even explains how to address an envelope. As students roll their mouse over the letter it explains what each part is called and why it is there.

A copy of the original Articles of Confederation presented by Yale Law School. Includes Thomas Jefferson's written discussion on the Articles of Confederation plus early drafts.

The Art of African Exploration is a catalog of primary sources that documents the impressions of Europeans who traveled to Africa in the late eighteenth and nineteenth century to explore and conquer. View the work of expedition artists who produced images of African landscapes, wildlife, and inhabitants. With special sections devoted to Livingstone and Stanley and to Victoria Falls.

This University of St. Andrews site contains information and accomplishments of the earliest Hindu mathematician, Aryabhata.

This article discusses how to use murals as an interdisciplinary, cooperative activity to blend science, art, and math concepts.

A book about making things with tools and different materials. Includes audio narration in six additional languages with text in English.

This article provides an overview of using rubrics as a method of assessment and discusses technological tools that facilitate the creation of rubrics.

What better way to get to know your students than with a 1:1 interview. Today you will interview each student on their knowledge of triangles and their ability to separate them from other shapes.

This site has information about the atomic bomb which was dropped on Hiroshima. Pictures of Hiroshima after the bomb and the mushroom cloud are included.

Site from Yale provides detailed information about the radiation sickness that swept through the bombed areas of Japan after WWII. Detailed and thorough analysis.