Graphing Systems of Linear Inequalities
In this video, the instructor gives directions on how to find a solution for a system of linear inequalities.Â  He provides an example, then goes through the steps to find the solution that satisfies both inequalities.Â  There is a mistake at the beginning of the lesson which the instructor corrects with some text on the screen.

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Germany Invades Poland (World War II)
This eight minute video is a segment from the 1942 U.S. government film "The World at War." Posted by David Burns for the Fasttrack American History Project. This excerpt deals with the start of World War Two through original videos. Some images are graphic. Students may need to know what the Fifth Column is and what the term means.
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Government Girls of World War II
Women in government in World War II. Interview with an OSS Secret Agent. News reels of women enrolling in the service.
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The Enigma Machine - Encryption
The German Enigma machine was used to encrypt messages to agents. This video shows in detail how the machine worked.

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D Day Part 1
D-Day is June 6, 1944 â€” the day on which the Battle of Normandy began â€” commencing the Western Allied effort to liberate mainland Europe from Nazi occupation during World War II. This video is a newsreel.
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How Land and Sea Animals Breathe
This video covers how animals on both land and sea are able to breathe.Â  For the land animals, they show a simplified lung diagram for a dog.Â  For the sea animals, they explain how a dolphin uses a blowhole.Â  A very short clip, it would be a good introduction to the topic. Run time 01:45.
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How's the Weather?
Here is a song that allows children to learn about different types of weather. Great video for learning the weather.
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Eggnog Cheesecake: Baking Crust
This part shows how to bake the crust of an eggnog cheesecake for ten minutes at 325 degrees which allows it to harden before the batter is poured on top of it.

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Saying Sorry
This video shows different ways to say sorry. There are examples ofÂ phrasesÂ used toÂ apologise to someone. You may offer your apology. You may regret your action. You may show sympathy. There are examples and you can read the script on the screen.
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How to Care for Lilac Trees
A gardener explains how to care for lilac trees by planting them on a hill that has good drainage and full sun and watering them throughout the summer. Prune lilac trees down one third every year to keep the plant even and healthy.  Lots of tips and information in this clip about caring for a lilac tree.

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Applying Rules of Exponents (Part 2 of 2)
This instructor in this video, Sal Khan, continues with 2 more exponent rules with an introduction to composite problems. Mr. Khan usesÂ computer softwareÂ (with different colors)Â to model several examples of how to apply rules of exponents. Â
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Mapping and Initial Encounters-Unit 2
Columbusâ€™s arrival launched an era of initial encounters between
Europeans, Native Americans, and Africans that continued for nearly 300 years. This unit examines how these contacts began the phenomenon now known as the Columbian Exchange, profoundly altering the way of life of peoples around the globe. (This unit includes a facilitator guide, video, and online text chapter.)

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Wheel Problem
First-graders are asked how many vehicles could be in a parking lot if
the total number of wheels is 24. Students review each step of the
problem-solving process before they decide on which materials to use
and develop strategies. NCTM standards: whole number computation,
concepts of whole number operations, problem solving, communication.

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Assessment in Science and Math-You WILL be Tested on This!
Workshop 5. You WILL Be Tested on This!: Standardized Testing (90 min.)

'Teachers are under pressure to get their students to perform well on state and national tests. Sometimes, however, it seems that too much attention is paid to these tests. This workshop considers how teachers can use standardized tests to focus their teaching on improved student performance in the classroom as well as on these external measures of success. Content Guide: K. Michael Hibbard.'

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Teaching Social Studies-Workshop 1
Why do we teach social studies? This session focuses on the relevance of teaching social studies and discusses strategies for helping students gain a deeper understanding of social studies content. The onscreen teachers review standards and themes developed by the National Council for the Social Studies (NCSS) and view video clips from the Social Studies in Action video library to identify examples of powerful teaching and learning.
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Teaching For Understanding Workshop 2
How do we plan for learning? This session focuses on the Teaching for
Understanding model, a framework for unit planning developed at the
Harvard Graduate School of Education. The onscreen teachers use the
framework to analyze unit planning in classroom videos, plan for their
own social studies units, and create a pictorial timeline of U.S.
history that outlines an entire year of learning.

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Assessing Students Learning Workshop 7
How do we know students are learning? Because assessment often provides only small snapshots of learning, this session provides teachers with a variety of tools and strategies to assess studentsâ€™ learning in formal, informal, ongoing, and culminating ways. The onscreen teachers analyze classroom video segments, develop criteria for assessment, and learn how to incorporate assessment strategies in a lesson on the most influential citizens in U.S. history.
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Basic Mathematics : How to Teach Division With Whole Numbers
Teaching division with whole numbers is an easy concept if one is familiar with multiplication tables, as the tables work opposite of each other. View examples of how multiplication and division work with one another with insight from a math teacher in this video on mathematics.

Expert: Jimmy Chang
Bio: Jimmy Chang has been a math teacher at St. Pete College for nearly a decade. He has a master's degree in math, and his specialties include calculus, algebra, liberal arts, mat

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How to Solve Square Root Equations
In math, the square root of one number is found by looking for another number that will equal the first when multiplied by itself. Solve square root equations with tips from a math teacher in this video.
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Physical Changes and Conservation of Matter
The video opens with children in the Science Studio observing a common magic trick in which matter seems to disappear. As they try to follow the button that vanishes from their field of vision, theÂ Author(s): No creator set