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Subtracting 2-Digit Numbers

There are 3 videos in this category and 0 videos in 0 subcategories.

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Not Right For WatchKnowLearn
Ages: 5 - 10
1431 Views:
Subtracting Whole Numbers
From YouTube, produced by Sal Khan
In this three-minute video, Sal Khan subtracts 42 from 68. Mr. Khan, of Khan Academy, uses computer software (and different colors) for demonstration.
July 18, 2011 at 06:14 PM
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Not Right For WatchKnowLearn
Ages: 7 - 12
896 Views:
Subtraction with Renaming
From YouTube, produced by youtube
In this video, Mr. Almeida illustrates how to subtract when renaming happens using both a pictorial model and the traditional vertical model. This video addresses the Common Core math standards for 2.NBT.5. This would be a great resource for teacher ... [more]
April 21, 2012 at 09:39 PM
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Not Right For WatchKnowLearn
Ages: 7 - 11
6193 Views:
Using Addition to Check Subtraction
From eduplace.com, produced by Houghton Mifflin
Students will learn to use addition (the opposite of subtraction) to check the answer to a subtraction problem.  If the sum of the addition problem equals the number you subtracted from then the difference is correct. User clicks through the slides. ... [more]
May 20, 2010 at 02:52 PM
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