2.NBT.B.6

Add up to four two-digit numbers using strategies based on place value and properties of operations.

There are 11 videos in this category and 0 videos in 0 subcategories.

Category Videos
Not Right For WatchKnowLearn
Ages: 8 - 11
5785 Views:
Helping Homeschool: Introduction To Multiplication
From YouTube, produced by Homestead Homeschool
In this excellent video, Mrs. Erika introduces the viewer to multiplication. This is suitable for second, third, and fourth grades.  (04:19)
January 23, 2010 at 03:05 PM
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Not Right For WatchKnowLearn
Ages: 7 - 12
4739 Views:
Adding Two-Digit Numbers Using Mental Math
From 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 - 10
4124 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: 6 - 11
3393 Views:
Adding Three 2-Digit Numbers
From eduplace.com, produced by Houghton Mifflin
Students will learn to use their knowledge of place value and addition facts to add numbers.  First look for 10s and doubles. Add the ones first then add the tens.  User clicks through the slides.
Found by tinag1974 in 2.NBT.B.6
May 20, 2010 at 02:43 PM
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Not Right For WatchKnowLearn
Ages: 8 - 14
3317 Views:
Addition Techniques
From YouTube, produced by Lawrence Perez
This video indicates it is for pre-algebra, however this would be good for anyone who is reviewing or learning place value. This video has humor, which helps make the lesson fun. Video shows how to use the number line, shows how to use the number lin... [more]
Found by Barb in 2.NBT.B.6
July 31, 2009 at 08:00 AM
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Not Right For WatchKnowLearn
Ages: 5 - 10
2531 Views:
Subtracting Whole Numbers - Khan Academy
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 - 11
5037 Views:
Multiplication as Repeated Addition
From YouTube, produced by enVision Math
This computer-animated video explains multiplication as repeated addition.  The terms factor and product are defined in the video, and the lesson explains how addition and multiplication can be used to represent the same problem. (03:53)
July 21, 2011 at 01:03 PM
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Not Right For WatchKnowLearn
Ages: 7 - 12
4035 Views:
Adding Two-Digit Numbers
From YouTube, produced by goldstudent.com
This video provides a brief demonstration of how to add two-digit numbers, using 12+19 as an example. (00:55)
Found by Anonymous in 2.NBT.B.6
March 25, 2009 at 12:09 PM
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Not Right For WatchKnowLearn
Ages: 8 - 12
2566 Views:
Rounding Word Problem About Textbooks
From teachertube.com, produced by skippyZ
This brief video shows students demonstrating how to solve a word problem involving rounding.  Props are used to show the items mentioned in the word problem and the student completes the problem by writing the steps on a white board and explaining t... [more]
Found by CKR11 in 2.NBT.B.6
April 26, 2010 at 02:38 PM
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Not Right For WatchKnowLearn
Ages: 7 - 12
2425 Views:
Rounding Word Problem About Markers
From teachertube.com, produced by skippyZ
This short video shows students demonstrating how to solve a math word problem involving rounding.  The students show how to solve the problem by writing it on the white board and also explain the steps needed.  (02:17)
Found by CKR11 in 2.NBT.B.6
April 26, 2010 at 02:41 PM
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