Converting Metric MeasurementsDate: 11/03/2005 at 00:32:16 From: Shayne Subject: converting millimeters to centimeters 50 millimeters = ? centimeters; 3 meters = ? centimeters I don't understand how to convert metric units. Would I divide 50 by 10? Would I multiply 3 times 10? Date: 11/03/2005 at 07:22:11 From: Doctor Ian Subject: Re: converting millimeters to centimeters Hi Shayne, Let's look at a similar question. How would you convert from dollars to dimes, or dimes to dollars? If you have, say, 20 dollars, you know there are 10 dimes in each one, so that's 20 dollars * 10 dimes per dollar = (20*10) dimes = 200 dimes On the other hand, if you have 300 dimes, 300 dimes 300 ---------------- = --- dollars = 30 dollars 10 dimes/dollar 10 So you're multiplying or dividing by 10, depending on whether you need more of a smaller unit, or less of a larger one. (You'd better have more dimes than dollars, right? Or fewer dollars than dimes. So that tells you whether to multiply or divide.) What does this have to do with centimeters and millimeters? Well, there are 10 millimeters in a centimeter, just as there are 10 dimes in a dollar. Does this help? - Doctor Ian, The Math Forum http://mathforum.org/dr.math/ Date: 11/04/2005 at 02:07:08 From: Shayne Subject: Thank you (converting millimeters to centimeters) Thank you so much, your explanation has made it easier for me to understand centimeters and millimeters. Thanks again for your help! |
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