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posted by Katie on Tuesday, January 8, 2013 at 3:52am.

Number Sense How can you use 4 x 7 to find 8 x 7? Find the product.

Assuming that yo9u already know that 4x7 = 28, 8 x 7 = 2 x (4x7)= 2 x 28 = 56

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