Invert-and-Multiply Rule
Level: 6th grade (or first time I&M is taught)
Goal: Motivate and explain what seems to many to be a magic trick.
When: Before teaching/using I&M rule
Format: Mathcast
Author: Robert Fant
Comments: Watch the whole mathcast - many good questions!


Please contribute your thoughts, suggestions and - of course - your good guestions! LFS

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Page last modified on January 25, 2009, at 12:44 AM