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posted by Joe on Tuesday, February 22, 2011 at 6:11pm.

Explain how you can break apart 3times 9 to help you multiply.

Why would you want to break it apart? Memorizing the multiplication tables is by the far best way to multiply. I suppose you could multiply 3 times 3 and then add the answer three times. But that seems like an awkward way to solve this problem.

40 x 16

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