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Ages: 9 - 18
2747 Views:
Benjamin Franklin and Poor Richard's Almanac - Khan Academy
From YouTube, produced by Sal Khan
Sal Khan and a guest discuss Ben Franklin running away to Philadelphia and meeting his wife for the first time. (10:56)
March 1, 2014 at 10:28 AM
Not Right For WatchKnowLearn
Ages: 18 - 18
5562 Views:
Singapore Math: A Spool of Ribbon-Fractions Bar Model
From YouTube, produced by mathinfocus-singaporemathblog.com
Take a look at a Grade 4 real-world problem from a lesson on Subtracting Fractions From Whole Numbers. This smartboard video gives step by step directions on how to solve a math word problem using a fractions bar. This is a great resource for teacher... [more]
April 21, 2012 at 09:41 PM
Not Right For WatchKnowLearn
Ages: 10 - 15
3898 Views:
Dividing By Zero
From YouTube, produced by Jimmy Chang
This short video is from Jimmy Chang, who has a master's degree in math and has been a math teacher at St. Pete College for more than eight years. Explains in simple terms why you can NOT divide by zero. (01:24)
July 17, 2009 at 08:20 AM
Not Right For WatchKnowLearn
Ages: 10 - 18
3235 Views:
What Creates a Total Solar Eclipse?
From YouTube, produced by TED education
How can the shadow of the tiny moon eclipse the sight of the gargantuan sun? By sheer coincidence, the disc of the sun is 400 times larger than the disc of the moon, but it's 390 times farther from Earth -- which means that when they align just right... [more]
August 19, 2017 at 11:04 AM
Not Right For WatchKnowLearn
Ages: 6 - 11
10243 Views:
Contraction Rap
From YouTube, produced by Mrs. Mourer's 1st Grade Class
Mrs. Mourer's first grade class performs a rap about contractions.  This video contains examples. (01:20)
July 24, 2011 at 11:58 PM
Not Right For WatchKnowLearn
Ages: 10 - 15
4595 Views:
Our Planet is a Clock
From YouTube, produced by ScienceOnline
A short animation presenting the rotating earth as a huge clock spinning in space. All efforts to measure and record time, start with our rotating planet. Learning about sundials is a good topic for any science curriculum. This video is one of a seri... [more]
Found by Barb in Rotation
December 5, 2009 at 10:00 PM
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