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Ages: 8 - 14
Flocabulary - 5th Grade Vocabulary - Something That Doesn't Exist
From YouTube, produced by Flocabulary
This educational hip-hop song teaches 5th grade vocabulary words. (03:07)
October 8, 2012 at 07:15 PM
Not Right For WatchKnowLearn
Ages: 8 - 13
Translating Word Statements to Math Using Addition and Subtraction
From YouTube, produced by Candice Jhu
This video indicates it is for pre-algebra, however this would be good for anyone who is reviewing or learning about putting word problems into statement form. They use humor to teach this concept. They use many different examples to reinforce what i... [more]
July 31, 2009 at 08:56 AM
Not Right For WatchKnowLearn
Ages: 10 - 16
Rational Numbers
From YouTube, produced by Richard Ribaudo
The instructor explains what rational numbers are and uses a white board to model several examples using fractions, mixed numbers, and decimals.  He then compares and orders rational numbers. (05:27)
August 3, 2009 at 07:44 PM
Not Right For WatchKnowLearn
Ages: 9 - 16
Video Brain Teaser #24-Optical Illusions
From YouTube, produced by VideoMathTutor.com
Videos that provide viewers with brain teasers/mental puzzles. These may consist of problems dealing with the arrangement of matchsticks, coins, and other items. May include pencil drawing games, optical illusions, hidden images and "Find the Twin" p... [more]
December 1, 2009 at 06:43 AM
Not Right For WatchKnowLearn
Ages: 10 - 18
Plate Tectonics and Volcanoes
From YouTube, produced by Phoenix Learning Group, Inc.
Explains the formation of volcanoes as a result of the movement of tectonic plates, including Mount St. Helen. Color video with sound. 1:40 min.
July 12, 2009 at 07:42 PM