Distributive Property: how to use it to find 35 * 54?

LANE

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Sep 19, 2006
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How could you use the Distributive Property to find 35 X 54?
 
Re: DISTRIBUTIVE PROPERTY

LANE said:
How could you use the Distributive Property to find 35 X 54?
35 * 54 = (30 + 5)*(50 + 4)
= 30*(50 + 4) + 5*(50 + 4) <== There it is.
= 30*50 + 30*4 + 5*50 + 5*4 <== There it is.
= 1500 + 120 + 250 + 20
= 10*(150 + 12 + 25 + 2) <== There it is.
= 10*(189) = 1890
 
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