4.OA.2. Multiply or divide to solve word problems involving multiplicative comparison, e.g., by using drawings and equations with a symbol for the unknown number to represent the problem, distinguishing multiplicative comparison from additive comparison.

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Ages: 6 - 13
How to do Long Division
From mathplayground.com, produced by mathplayground
This four-minute video uses a white board animation and narrator to help show students how to do this operation. It is a good overview, but the video may have to be paused to allow students to follow the work.
Found by freealan in 4.OA.A.2
January 16, 2012 at 10:26 AM
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Ages: 6 - 11
Multiplication Rock - I Got Six (w/opening and full credits)
From schooltube.com, produced by Scholastic Rock Inc.
A cartoon, set to a rock song, that teaches children their multiplication facts about sixes, using plenty of examples. It consists of an animated song about the interesting properties (especially commutative property) and the multiples of the number... [more]
Found by wendyofoz in 4.OA.A.2
August 12, 2012 at 11:28 PM
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Ages: 7 - 10
Multiplication - by StudyJams
From scholastic.com, produced by Scholastic
Multiplication is the repeated addition of equal groups.  The number of equal groups and the number in each group are the factors.  Once you know those factors, just apply these four properties of multiplication.  Learn more about multiplication with... [more]
Found by begamatt in 4.OA.A.2
June 20, 2011 at 06:41 PM
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Ages: 8 - 12
Whole Number Multiplication And Division
From discoveryeducation.com, produced by Discovery Education
Examples provide instruction in multiplying and dividing whole numbers without a remainder
Found by grazianione in 4.OA.A.2
June 2, 2010 at 12:31 PM
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Ages: 7 - 12
Introduction of Multiplication Using Arrays or Models
From YouTube, produced by Pearson Education
This video from an education publishing house features multiplication with arrays or models. This live action video uses coins. The video is an introduction to multiplication and uses simple animation for demonstration. (02:23)
January 23, 2010 at 03:00 PM
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Ages: 8 - 12
Division Word Problem
From YouTube, produced by YourTeacher.com
This lesson is clear and concise. The instructor highlights different portions of the word problem to aid in comprehension. (01:46)
July 18, 2011 at 06:22 PM
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Ages: 7 - 10
Single Digit Division - by StudyJams
From scholastic.com, produced by Scholastic
Division breaks the amount of something into smaller, equal pieces.  Learn more about basic division with this cartoon animation from StudyJams.  A short, self-checking quiz and song are also included with this link.
Found by begamatt in 4.OA.A.2
June 20, 2011 at 07:09 PM
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Ages: 9 - 13
Review of Division Strategies and Decimals (4th and 5th grade)
From slideserve.com, produced by Monica Hartman
This link is to a slide show containing 36 slides. It reviews division strategies: using multiples of 10, distributive property, equal groups model, and expanded division algorithm. Several word problems are presented in which division is required. I... [more]
Found by wendyofoz in 4.OA.A.2
November 13, 2012 at 12:12 AM
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Ages: 7 - 11
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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Ages: 10 - 13
Abbott and Costello Confuse Multiplication and Division
From teachertube.com
Black and white movie clip shows the classic comic duo getting multiplication and division confused. There will not be enough doughnuts to go around! Would make a good video to have students explain the right way. NOTE:  One character calls another "... [more]
Found by laneyk in 4.OA.A.2
July 23, 2009 at 05:00 PM
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