Multiplying Fractions using Cross Cancellation
In this video they show to solve multiplication of fractions by cross canceling. They start with simple problems and do many different examples. Then they do addition of fractions with unlike denominators, they find the lowest common denominator, and apply this to solve the problem. Then they progress to a problem with four fractions. Then additional examples are done.Â  Video is good quality and good for all students as review or initial learning of the concept.
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Reducing Fractions Part 2b
This video is a continuation of Part 2a, they start where the previous one left off, the middle of a problem. They continue to reduce fractions using many examples. The numerator and denominators are increased to larger numbers. They do a number of different examples.Â  Video is good quality and good for all students as review or initial learning of the concept.
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Introduction to Fractions Part 4
In this video they are teaching the lowest common denominator. They start with a fraction problem with all different denominators, so they need to find the lowest common denominator. Some examples are done. Video is good quality and good for all students as review or initial learning of the concept.
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This video indicates it is for pre-algebra, however this would be good for anyone who is reviewing or learning addition on a number line. This video shows how to add numbers using a number line, some of the numbers they use start with a negative, then they add a positive number. They show many different examples. They also use the number line to show how to find a missing addend, -10 + x = 2. Video is good quality and good for all students as review or initial learning of the concept.
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The instructor uses an electronic sketchpad to demonstrate how to constucut angles. Â Video discusses vocabulary and symbols associated with angles, ray (sides of the angle), vertex (the point where the rays start). Â It then goes on to use the protractor to measure an angle.Â  It starts with where to put one line of the angle and then where and what to measure.Â  It also instru
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Beginning Algebra: Factoring Trinomials
Taught by Professor Edward Burger, this lesson was selected from a broader, comprehensive course, Beginning Algebra.

In this lesson, you will learn how to factor trinomials using a reverse-FOIL trial-and-error method. You will start by simplifying the trinomial as much as possible, by removing any common factors or grouping any possible combinations. Then, try the reverse-FOIL by first breaking up the squared term. He also gives you a hint that when the last factor of the

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Video starts when Sartre is a school teacher, in his spare time he developed a strong interest in phenomenology, a new branch of philosophy that offered a radical account of the workings of human conscience.Â  In 1933 he went Berlin to study with a leader in that field.Â  When he came back to Paris, the big idea he came back with was to relate to an item in the world rather than a representation of it in your he
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v - Initial Sounds
This short clip introduces a selection of images to kick start learning the v phoneme and V grapheme.   Slides are shown of words beginning with the letter v.

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Meet Mr. M Song - The Letter People
This song is from "The Letter People". It introduces Mr. M who has a "munching mouth". Â Puppet characters sing and act out skits using words that start with 'M." Many other "m" words are mentioned in the song as well. (1:46)
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How Was Color Theory Discovered?
This clip pinpoints the beginning of the study of color from a
successful artist and history teacher.Â  Color theory has been used since the time of cavemen, but Jan and Hubert Van Eyck are responsible for developing modern oil paints in the 16th century.

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NATURE | Behind the Scenes of "Hummingbirds" | PBS
This video shows the wonderful marriage between technology, cinematography, and the study of animals.Â  Ann Prum, producer and cinematographer, explained how she and her team were able to catch the unbelievable grace and agility of hummingbirds in the wild using an HD camera called the Phantom High-speed Camera.Â Â The video will help students to identify specialÂ characteristicsÂ like how hummingbirds eat from flowers, catch bugs, flap their wings in a figure eight, fight with one another, etc.
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Learn English Through Song- Lesson 41- Idioms With Happy
Learn English idioms with happy through the song, "Happy Birthday to You" sung by Disney Children and Frank Sinatra. Learn English Through Song helps English Second Language (ESL) students study speaking, conversation, vocabulary, pronunciation, listening and grammar.Â  In this slide show the lyrics are shown for "Happy Birthday" along with text explanations about happy idioms in the song lyrics. More songs at learn-to-speak-english-esl.com.Â  Good quality video appropriate for all students, not
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Buddhism and Shinto in Japan
This a brief but informative description of the Japanese religion, Buddhism. It is short, concise and colorful but not too much detail. It would be good for general study.

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Using the Fewest Coins to Show an Amount of Money
Students will learn to use the fewest coins to show an amount of money.Â  Start with the coin of the greatest value and count up. Â User clicks through the slides.Â

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Stashing Carbon Dioxide in Basalt Rocks
Basalt formations off the East Coast of the U.S. could suck up a billion tons of carbon dioxide, according to a new study. Paleontologist Paul Olsen, of Columbia University's Lamont-Doherty Earth Observatory, explains how to get the CO2 into the rocks, and why scientists believe it won't leak out.
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How do climate changes in Greenland and Antartica affect weather for the rest of the world?
How do climate changes in Greenland and Antarctica affect weather for the rest of the world?" Alan Rodger â€“ British Antarctic Survey. Addressing polar region study as a whole, the interactions between the physical, chemical, biological, solar, human, space and solar, marine life, climate, geological aspects. Run time 03:39.
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How to Make a Compost
his educational video shows you how to start making your own compost.
Composting is an easy way to use leftovers, and to have a happy,
healthy garden.  We all talk about having a healthier planet, and this
is one great way to get started in your own backyard!

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John J. McCarthy Observatory, New Milford, CT. Monthly astronomy lecture done by Bob Lambert. Date of lecture is October 2008. Â Â Lecture starts with explanation that we are now living in the Earthâ€™s Secondary Atmosphere.Â  There was a First Atmosphere called the primary atmosphere and it did not resemble todayâ€™s atmosphere at all.Â  The evolution of our atmosphere is a continuum of an evolution, the atmosphere continues to chang
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Weather Fronts
This video discusses what a front is. They start with an air mass and the transitional zone is called a front. It is hard to tell if it is a cold or warm front. If the warm air is advancing it is a warm front. This video show the symbols that are used by meterologists. It shows how one mass moves over another mass. This is a good, basic video.
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Learn English Through Song Lesson 43 Adjectives With --- hearted
Learn English adjectives with heart through the song, "Heart of Gold" by Boney M. Learn English Through Song helps English Second Language (ESL) students study speaking, conversation, vocabulary,
pronunciation, listening and grammar.  In this slide show the lyrics
are shown for "Heart of Gold" with explanations of "heart" adjectives. More songs at: learn-to-speak-english-esl.com.  Good quality video appropriate for all students, not just ESL.

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