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Addition with 2- and 3-digit Numbers

There are 21 videos in this category and 0 videos in 0 subcategories.

Category Videos
Not Right For WatchKnowLearn
Ages: 7 - 10
3399 Views:
Addition with Regrouping - by StudyJams
From scholastic.com, produced by Scholastic
Sometimes when you add, you have to regroup, or carry, a group of tens.  That is why you need to line up your math problems like a pro.  Learn more about addition and regrouping with this step-by-step, interactive link from StudyJams.  A short, self-... [more]
June 18, 2011 at 10:32 PM
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Not Right For WatchKnowLearn
Ages: 9 - 14
606 Views:
Pre-Algebra 1.2d - Adding Numbers with Multiple Digits
From YouTube, produced by Derek Owens
This video offers basic addition with adding and carrying, and some pertinent comments from the pre-algebra course by Derek Owens. (06:03)
December 17, 2012 at 09:18 PM
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Not Right For WatchKnowLearn
Ages: 9 - 13
351 Views:
Prealgebra 1.2e - Words that Indicate Addition
From YouTube, produced by Derek Owens
The instructor discusses how to recognize when addition, as opposed to other mathematical operations, is the appropriate approach for solving a problem. From the pre-algebra course by Derek Owens. (04:01)
December 17, 2012 at 09:22 PM
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Not Right For WatchKnowLearn
Ages: 7 - 12
2637 Views:
Adding Two-Digit Numbers Using Mental Math
From YouTube, produced by YouTube
This video teaches students to add two-digit numbers using mental math and left to right addition ( two column addition).  The problems appear on a white screen and are explained step-by-step by a math tutor. By the end of the video, students learn t... [more]
July 20, 2011 at 10:39 AM
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Not Right For WatchKnowLearn
Ages: 7 - 11
2576 Views:
Regroup Ones to Find the Sum of Two 3-Digit Numbers
From eduplace.com, produced by Houghton Mifflin
Using manipulatives, students will learn to regroup, trade or change, a group of 10 one's for 1 ten.  User clicks through the slides.
May 20, 2010 at 03:27 PM
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Not Right For WatchKnowLearn
Ages: 7 - 10
2391 Views:
Addition 2 - Khan Academy
From YouTube, produced by Sal Khan
In this video, the instructor uses software to review how to add numbers. He starts with single-digit numbers, then moves into two-digit numbers, and reviews how to use a number line. (12:26)
January 27, 2010 at 02:36 AM
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Not Right For WatchKnowLearn
Ages: 5 - 8
1741 Views:
Adding a 1-Digit Number to a 2-Digit Number
From eduplace.com, produced by Houghton Mifflin
Using tens and ones blocks to model the numbers, students will add a 1-digit number to a 2-digit number.  Begin by adding the ones together, then the tens.  The user clicks through the slides.
May 20, 2010 at 02:03 PM
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Not Right For WatchKnowLearn
Ages: 8 - 12
1562 Views:
Adding Three-Digit Numbers Using Mental Math
From YouTube, produced by YouTube
This video demonstrates addition of three-digit numbers mentally with multiples of ten.  The problem appears on a white screen, and the strategy is explained step-by-step as the problem is solved. ( 1:30)
July 20, 2011 at 10:54 AM
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Not Right For WatchKnowLearn
Ages: 7 - 12
1181 Views:
Two-Digit Addition - Khan Academy
From gamequarium.org, produced by Salman Khan
This video introduces the concept of addition with regrouping. This method of addition is demonstrated by adding a 2-digit number to a single digit number. Adding with regrouping is first demonstrated by combining objects to get a total, and then by ... [more]
August 1, 2010 at 10:55 PM
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Not Right For WatchKnowLearn
Ages: 7 - 11
1065 Views:
Addition Strategies for Two-Digit Numbers
From YouTube, produced by YouTube
In this video a teacher explains several strategies for solving the problem 35 +56.  Methods demonstrated include separating the numbers into tens and ones and converting numbers into friendly numbers ( numbers that end in zero).  Each problem is wor... [more]
July 20, 2011 at 10:17 AM
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