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... this cartoon animation from StudyJams. A short, self-checking quiz is also included with this link.[more]

Students will learn that repeated addition is the same as multiplying. Whenever you have equal groups, you can add to find the sum or multiple to find the product. User clicks through the slides.

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).

From pbslearningmedia.org, produced by Thirteen/WNET New York

In this video segment from Cyberchase, every time Delete sneezes he creates three clones of himself. The CyberSquad uses their knowledge of multiplication to figure out how many clones exist after Delete sneezes 103 times. (2:21)

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