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Subtraction

Category Videos
Not Right For WatchKnowLearn
Ages: 6 - 12
583 Views:
Mental Math Strategies--Break Down to 10 (Subtraction)
From YouTube, produced by youtube
In this video, Mr. Almeida explains how to use mental strategies to subtract within 20 using the Break Down to 10 method. This is one of the strategies suggested in the Common Core State Standards for Mathematics, 1.OA.6 and 2.OA.2. With practice, th... [more]
Found by porter1526 in Subtraction
April 21, 2012 at 09:53 PM
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Not Right For WatchKnowLearn
Ages: 5 - 8
1735 Views:
Subtract 2-Digit Numbers
From eduplace.com, produced by Houghton Mifflin
Using tens and ones blocks to model numbers, students will subtract two 2-digit numbers.  Begin by subtracting the ones place then the tens place.  User clicks through the slides.
Found by tinag1974 in Subtraction
May 20, 2010 at 02:06 PM
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Not Right For WatchKnowLearn
Ages: 5 - 18
1293 Views:
How to borrow in Subtraction problems with Tom Lehrer
From YouTube, produced by Tom Leher
Tom Lehrer preforms a song on what he calls "New Math" on how to borrow in subtraction problems.
Found by rfuqua in Subtraction
November 22, 2010 at 08:09 PM
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Not Right For WatchKnowLearn
Ages: 7 - 11
1705 Views:
Subtraction With Regrouping
From SchoolTube, produced by Schooltube
This teacher-created video shows students working subtraction problems with regrouping on a white board.  The students explain the process step-by-step including checking the problems with addition. (2:30)
Found by swilkers in Subtraction
November 29, 2010 at 12:57 AM
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