3.OA.3. Use multiplication and division within 100 to solve word problems in situations involving equal groups, arrays, and measurement quantities, e.g., by using drawings and equations with a symbol for the unknown number to represent the problem.

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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 3.OA.A.3
June 20, 2011 at 06:41 PM
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Not Right For WatchKnowLearn
Ages: 8 - 11
Multiplication of Multi-digit Numbers
From YouTube, produced by Learn Zillion
In this video, the instructor demonstrates strategies for multiplying 2 digit by 1 digit numbers by breaking apart their arrays into easily manageable multipliers. He uses humor, very nice illustrations, and clear instruction. (5:01)
Found by wendyofoz in 3.OA.A.3
October 19, 2012 at 12:40 AM
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Ages: 8 - 12
Multiplication Strategies - Skip Counting, Draw a Picture, Draw an Array, Write a Sentence
From eduplace.com, produced by Houghton Mifflin
Students will learn different strategies to determine the product of a multiplication problem.  Skip counting on a number line, drawing a picture, drawing an array and writing a multiplication sentence are different strategies for finding the product... [more]
Found by tinag1974 in 3.OA.A.3
May 20, 2010 at 04:12 PM
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Ages: 7 - 12
Division 1 - Khan Academy
From YouTube, produced by Sal Khan
In an easy conversational tone, the instructor uses the computer screen as his 'blackboard' and different colors to emphasis his points. As this is an introduction to division, this video is for elementary students. (17:02)
January 21, 2010 at 08:20 PM
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Not Right For WatchKnowLearn
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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Not Right For WatchKnowLearn
Ages: 8 - 11
The Multiplying Song
From YouTube, produced by HJ Park -Kay Learning Tools
This musical video sings about multiplying 1-5. The multiplication problem is shown with counters. It talks about reversing numbers and getting the same product and shows that multiplication is another way to add (03:00).
Found by dot_tcarlos in 3.OA.A.3
November 28, 2010 at 06:00 PM
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Not Right For WatchKnowLearn
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: 6 - 9
Illustrating the Array Concept of Multiplication with a 3x4 Display of Base Ten Blocks
From YouTube
This video demonstrates multiplication as an array.  The video also demonstrates counting by multiples of three and four to find the number of units in the array. (01:24)
July 21, 2011 at 10:25 AM
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Not Right For WatchKnowLearn
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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Not Right For WatchKnowLearn
Ages: 7 - 14
Multiplication Strategies
From teachertube.com
What strategies can I use to solve a multiplication problem? This video shows the different strategies on how do to so by: repeated addition, make groups, multiplication table, skip counting, and arrays!
Found by shogan in 3.OA.A.3
November 28, 2010 at 04:32 PM
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