Invasion of Poland - Documentary
This short video shows footstaga of the 1939 invation of Poland. There is a narration of how the attack took place. There are images of the bombing and of the army entering Poland. There are some quotes by Hitler and the Czech President.
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World War II: Operation Barbarossa - part 2/5
June - December 1941 The German invasion of the Soviet Union, up to the failed assault on Moscow in the winter of 1941. Interviewees include General Walter Warlimont, Albert Speer, Paul Schmidt and W. Averell Harriman.
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Reducing Fractions Part 2a
In this video they talk about reducing fractions to the lowest terms. The fractions they discuss are larger fractions, they require more than one step to be reduced to their lowest level. They also discuss what lowest terms are. They do many different examples.  Video is good quality and good for all students as review or initial learning of the concept.
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Number of Handshakes
This video explains how mathematical modeling is used to generate a formula for the number of handshakes possible. The situation essentially asks how many sides and diagonals are in a given polygon and generates the triangle numbers: 1, 3, 6, 10, 15, … (2:43)
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Shifts in Absolute Value Graphs
Once we learn about absolute value graphing, we can use shifts in absolute value graphs to more easily graph new absolute value equations. This video explains how to use specific rules for the addition of constants within the equation to shift the graph horizontally or vertically. These techniques can also be used when graphing parabolas. (2:44)
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How to Find the Median of a Series of Numbers
In math, the median is found by looking for the piece of data that is in the middle of a set of data ordered from the smallest to largest. Find the median of a series of numbers with tips from a math teacher.
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Examples and Techniques of How to Find The Median
This video takes a look at measures of central tendency.  Median is discussed and a lesson is given using a couple of examples on how to determine the median score of a data set.  a couple of techniques are shown. 

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Steps For Solving 3 Proportion Examples
In this video 3 examples are solved on proportions.  a review is made of of what a proportion is before the problems are solved on a white board.  A proportion are two ratios that are equal to each other. 

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Mean Median and Mode video
Video describing Mean Median and Mode from NextVista for Learning.  Instructor is working problems on whiteboard while explaining the procedures. 
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Range, Mean, Median and Mode Song
Description not set
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Addition and Subtraction of Decimal numbers
The concepts of addition and subtraction of decimal numbers are explained using real life examples. Instructor uses a place value chart for demonstration.
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Arithmetic Basics: Multiplying Decimals
In this video, the instructor does three examples of multiplying numbers with decimals using pad and paper.
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Mulitplyling Decimals - Part 3 of 3
This video is from Sal Khan about multiplying decimals using the problem: What is the cost of 14.6 gallons of gasoline at $2.70 per gallon?

Mr. Khan uses computer software for demonstration. The screen is a little 'busy' so the viewer may want to open the screen to 'full screen' to see all more clearly. (02:32)
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Subtracting Decimals
In an easy conversational tone, the instructor uses the computer screen as his 'blackboard' and different colors to emphasis his points. As this is an introduction to subtracting decimal numbers, this video is for older elementary students.
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Adding and Subtracting Fractions
This is a student-produced video clip concerning Adding and Subtracting Fractions. (02:45) The students use computer software and a little humor to demonstrate.
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Multiplying 2- and 3- Digit Numbers
This video shows examples of multiplying a 3 digit number times a 2 digit number and an example of multiplying a 3 digit number times a 3 digit number. The instructor walks you through the process step by step on a chalkboard.
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Multiplication 6: Multiple-Digit Numbers (Two-Digit Times Two-Digit)
In this video, the instructor shows how to multiply a five-digit number by a one-digit number. Instructor uses the Paint Program to demonstrate the points of his discussion. For fourth grades through sixth.
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Faster Multiplication With Two-Digit Numbers
The instructor offers a faster way to do two-digit multiplication than American students are traditionally taught, however, this faster method is known in Australian and British schools. The instructor uses a small, portable white board and two colored markers for his demonstration. (02:25)
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Basic Addition on a Black Board
This video introduces the basic concept of addition. One digit addition is demonstrated using two methods. Adding is first demonstrated by combining objects to get a total. Addition is also demonstrated using a number line and moving forward on that line. The video walks the viewer through several addition problems. Run time 09:46.

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Multiplication Facts for the 7s
Set to music, students will have the sevens times table memorized in no time. Equations appear, one at a time, on a slide with black background. Singers chant the equations.  Motivational quotes appear at random intervals. Repeats facts several times. (5:15)
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