11.01.2013 â€“ Langsam gesprochene Nachrichten
Trainiere dein HÃ¶rverstehen mit den Nachrichten der Deutschen Welle von Freitag â€“ als Text und als verstÃ¤ndlich gesprochene Audio-Datei. *** Bei einer Serie von AnschlÃ¤gen sind in Pakistan nach neuen Angaben der SicherheitskrÃ¤fte mindestens 115 Menschen getÃ¶tet worden. Allein in der Provinzhauptstadt Quetta im SÃ¼dwesten Pakistans starben bei der Explosion von drei Bomben mehr als 80 Menschen. Die meisten von ihnen wurden in den Tod gerissen, als sich ein SelbstmordattentÃ¤ter in einer
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Heron's Formula, Part 1
This video demonstrates how toÂ use Heron's Formula to determine the area of a triangle while only knowing the lengths of the sides.
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Finding the Area of a Triangle
The instructor uses an electronic chalkboard to demonstrate how to find the area of a triangle. Â One example is modeled using a step by step approach to find the area when given a height and base length.
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Demonstration on How All Angles in a Triangle Add up to 180
This video demonstrate how all angles sum to 180 degrees.Â  A student made skit is presented on a whiteboard with magnet figures of Paris Hilton and Einstein to demonstrate.Â

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Triangle Angle Sum
This video explains that the sum of the three angles in any triangle adds up to 180 degrees. The importance of this fact in Geometry cannot be emphasized enough. The triangle angle sum theorem is used in almost every missing angle problem, in the exterior angle theorem, and in the polygon angle sum formula. (4:06)
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This simple animation (with the help of a talking elephant that drives)Â introduces young learners to animals thatÂ live on farms and in homes.
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The Alphabet Song
This is a great song to help teach the sounds that each letter makes plus help students learn over 50 new words that go with all the sounds of the alphabet.

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"Hip Hop Alphabet" song
"Hip Hop Alphabet" sings about the alphabet in a different, fun way. Some of the lyrics include--"Get ready, get set, hop to the alphabet". The letters of the alphabet are displayed on screen while the singer says each one. The song is repeated several times. This would be a good teaching resource for young students. (1:36)
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This lesson explains the three levels of adverbs: positive, comparative, and superlative.  The lesson provides examples of each level.  The video is an excerpt and doesn't go into a great deal of detail.

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The History of Valentine's Day
This professional video explores the history and legends surrounding Valentine's Day. The presenter explains the legend of St. Valentine. The end of the video consists of impromptu interviews of customers at a greeting card store.  (03:59)
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Basic Math: Lesson 2 - Equalities & Inequalities
This lesson consists of providing you with a Self-Tutorial on the basics of equalities and inequalities. I go over how to write results in interval notation, inequality notation, and set (set-builder) notation. I also explain in the printed notes how to use your graphing calculator to help you make comparisons between numbers.
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Solving Inequalities
This video involves solving linear inequalities. This video starts off with a black screen because the narrator uses it as a 'chalkboard' by using the Paint Program.
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Solving Compound Inequalities
This lesson demonstrates how to solve a compound inequality then shows how to graph the inequality.Â  The instructor goes through how to do this step by step on a white board.Â  Then, he shows the solution set on a number line.Â

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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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Linear Inequalities - A Visual Proof
An instructor shows why we flip the sign when multiplying or dividing by a negative when solving inequalities. Â He uses a flip chart and shows several examples including both inequalities and word problems.
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Linear Inequalities
If we want to solve for or describe a region in a coordinate plane, we can use linear inequalities. Linear inequalities give us a set of solutions as opposed to just one solution. This video clip explains how to solve linear inequalities using similar methods as in solving multi-step equations, except that there are extra rules when using multiplication and division. We graph linear inequalities by shading regions of number lines or coordinate planes. (6:20)
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Solving Inequalities Using Multiplication
This video explains how inequalities follow different rules than equations when dealing with multiplication. Solving inequalities using multiplication involves watching for negative numbers. When we multiply both sides by a negative number we must change the direction of the inequality sign. This happens when using multiplicative inverses to simplify the way we would when solving multi-step equations. (2:11)
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