Subtraction Skills

There are 4 videos in this category and 0 videos in 0 subcategories.

Category Videos
Not Right For WatchKnowLearn
Ages: 7 - 10
Subtraction 3: Introduction to Borrowing or Regrouping - Khan Academy
From YouTube, produced by Sal Khan
In this video, the instructor uses a graphics program to review how to subtract numbers and introduces how to re-group or borrow. The instructor also uses a number line. The video is suitable for elementary students. (18:26)
January 27, 2010 at 02:51 AM
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Not Right For WatchKnowLearn
Ages: 6 - 10
Using Addition to Check a Subtraction Problem with 3 Digits
From, produced by Houghton Mifflin
Students will learn to use addition (the opposite of subtraction) to check the difference.  If the sum of the addition problem equals the number you subtracted from, then the answer is correct.  User clicks through the slides. Uses metacognitive stra... [more]
May 20, 2010 at 03:31 PM
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Not Right For WatchKnowLearn
Ages: 8 - 11
Subtracting-Working With Three Digit Numbers
From, produced by Discovery Education
When subtracting three-digit numbers, students learn that they may have to borrow from either the tens or the hundreds column to solve the problem.
June 2, 2010 at 12:23 PM
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Not Right For WatchKnowLearn
Ages: 10 - 18
Subtract Across Zeros
From YouTube
Learn how to subtract when the top number has zeroes in it. Instructor uses a white board with different-colored markers for clarification. Video also shows how to check the answer. Instructor starts with an easier problem then moves on to a problem ... [more]
September 28, 2009 at 01:57 PM
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