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Whole Numbers
Multiplication

Be sure that you know all your times tables before you begin
Multiplying 23 * 216 is the same as multiplying 216 * 21.

Go over your work checking for any errors.

A scrap box should be used to do the calculations. Try not to get into the habit of doing your scrap work on another piece of paper. It is much easier to find a mistake if all the work is in front of you and located close to the problem.

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(See www.macromedia.com)

Are you still taking notes?

Remember you can repeat the movies as often as you need to.