Demonstrate Equivalency with Rainbow FractionÂ® Circles - LearningResources
This demonstration lesson gives a story problem to use to show students how to recognize equivalent fractions. The lesson uses manipulatives to show these fractions.
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Translation Part 1
This video illustrates how to draw a translation, as required by high school Geometry courses.

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Why SSA and AAA Don't Work as Congruence Shortcuts
This video describes four shortcuts that help students know when two triangles are congruent: SSS, SAS, ASA, and AAS. Knowing only side-side-angle (SSA) does not work because the unknown side could be located in two different places. Knowing only angle-angle-angle (AAA) does not work because it can produce similar but not congruent triangles. (4:06)
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Solving a Compound Inequality
This video shows how to combine two inequalities.Â  The example used is very simple and the instructor shows the steps necessary to combine the inequalities.Â  He emphasizes the concepts that will be needed to solve more complex compound inequalities in the future.

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Solving Inequalities in One Variable
This video shows examples of inequalities with one variable and the instructor goes through the steps necessary to solve the inequalities.Â  While he does this, he explains some of the important rules necessary for correctly solving inequalities.Â  He also identifies some common mistakes students make when solving inequalities.Â

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The Aztec Empire, 4/5
'Aztec is a term used to refer to certain ethnic groups of central Mexico, particularly those groups who spoke the Nahuatl language and who achieved political and military dominance over large parts of Mesoamerica in the 14th, 15th and 16th centuries...' (Aztec, Wikipedia, 2009). This History Channel documentary is suitable high school students and is narrated by various scholars.
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How the Body Works : Units of the Limbic System
The limbic system is a composite structure which lies in the temporal lobes of the brain and in the region of the thalamus. It is concerned with emotions and memory. The amygdaloid bodies are believed to be concerned with aggression. The hippocampus, lying above the parahippocampal gyrus, is concerned with memory. The septum pelucidum is thought to be associated with pleasure reactions. The cingulate gyrus, the fornix and the anterior commissure carry nerve fibers to and from other structures in
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What Happens When A Stroke Occurs?
A public service announcement video about stroke and the symptoms of stroke.Â Different people are shown on the video explaining different symptoms.Â  (0:36)

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Scales octaves on a piano. This is a wonderful tool to use for instruction for middle and high school age children.
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Dividing Decimals by Whole Numbers
The instructor uses and electronic sketchpad to demonstrate how to divide decimal numbers by whole numbers. Several examples are modeled using a step by step approach. Â There is no narration, just very fast music.
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Long Division With Decimals
ThisÂ video shows how to doÂ long division with decimals.
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Long Division With Decimals
ThisÂ video shows how to doÂ long division with decimals. The video offers two examples.
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Dividing Decimals, Part 3 of 3
This video is from Sal Khan about dividing decimals using the problem: 99.061 divided by 100=  ?

He is finishing up the problem in the short video. (01:51)

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D-Day to Berlin - The Battle for France (Part 1 of 6)
History Channel Video. 1944, Europe's future hung in the balance. Our 3-part series follows the story of Allied forces--from Normandy to the assault on Germany--and the victories that led to WWII's end in 1945. We begin on the day after D-Day, unfolding over the summer of 1944 as the initial narrow sliver of French coastline gained by the Allies is slowly extended. By the end of August, Allied victory seemed assured. Rommel had been wounded, Hitler was directing the battle, and the German army w
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D-Day to Berlin - The Battle for France (Part 4 of 6)
History Channel Video. 1944, Europe's future hung in the balance. Our 3-part series follows the story of Allied forces--from Normandy to the assault on Germany--and the victories that led to WWII's end in 1945. We begin on the day after D-Day, unfolding over the summer of 1944 as the initial narrow sliver of French coastline gained by the Allies is slowly extended. By the end of August, Allied victory seemed assured. Rommel had been wounded, Hitler was directing the battle, and the German army w
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D-Day to Berlin - The Battle for France (Part 5 of 6)
History Channel Video. 1944, Europe's future hung in the balance. Our 3-part series follows the story of Allied forces--from Normandy to the assault on Germany--and the victories that led to WWII's end in 1945. We begin on the day after D-Day, unfolding over the summer of 1944 as the initial narrow sliver of French coastline gained by the Allies is slowly extended. By the end of August, Allied victory seemed assured. Rommel had been wounded, Hitler was directing the battle, and the German army w
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D-Day to Berlin - The Battle for France (Part 6 of 6)
History Channel Video. 1944, Europe's future hung in the balance. Our 3-part series follows the story of Allied forces--from Normandy to the assault on Germany--and the victories that led to WWII's end in 1945. We begin on the day after D-Day, unfolding over the summer of 1944 as the initial narrow sliver of French coastline gained by the Allies is slowly extended. By the end of August, Allied victory seemed assured. Rommel had been wounded, Hitler was directing the battle, and the German army w
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A Virtual Tour of Martin Luther King's Birthplace
At this websiteÂ there willÂ beÂ a map of the home.Â  Click on a room of the houseÂ and a photograph will appear. Use your mouse to look around the room, or use the controls to zoom in and out. There is also some text that describesÂ the roomsÂ and providesÂ a littleÂ background.
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Martin Luther King "I Have a Dream" speech
The full version of Martin Luther King's famous "I have a dream" speech.
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