Should i round up or down

There are a couple of reasons to do this. One reason is that whole numbers are easier to work with add, subtract, multiply, and divide instead of decimals. If we get rid of the decimal point by rounding, we don't have to worry about putting the decimal in the wrong place!

This happens when social scientists do surveys for example. They might send out so many surveys that they're afraid they might have lost count!

Add a comment. Ross Millikan Ross Millikan k 26 26 gold badges silver badges bronze badges. A logarithmic sense of scale. Supposedly our sense of hearing operates on some kind of logarithmic scale as well.

So if you see a pile of of something and guess it is , that is as good as looking at a pile of a billion and thinking it is billion Charles Charles That banker's rounding is a cool idea. Now I'm going to have to read the whole wikipedia page on Rounding I know I've used it for that reason before. Mihai Bujanca Mihai Bujanca 1 1 gold badge 6 6 silver badges 20 20 bronze badges. Take the the following three numbers that we want to round to 1 decimal place: 0.

JBentley JBentley 1 1 gold badge 3 3 silver badges 9 9 bronze badges. Aang Aang In the case of 15 rounding up or down to While they're equidistant in value, 15 is more relative to 20 than it is to Bill Bill 11 1 1 bronze badge. Shall 15 be rounded to 20 or 10? Depends on where 15 is A Just Treat as is.

Can be treated as MonK MonK 1, 8 8 silver badges 15 15 bronze badges. Asinomas Asinomas k 18 18 gold badges silver badges bronze badges. Upcoming Events. Featured on Meta. You Might Also Like. Six Sigma Software Metrics, Part 2. Comments 2. April 13, at am - Log in to Reply. Cara Thank you. January 9, at am - Log in to Reply. Leave a Reply Cancel reply You must be logged in to post a comment.

As you can see, in finding a round sum, it is quickest to round the numbers before adding them. All rights reserved. History Government U. Cities U. Updated February 21, Factmonster Staff. Example: 38 rounded to the nearest ten is 40 1 If the number you are rounding is followed by 0, 1, 2, 3, or 4, round the number down.

Example: 33 rounded to the nearest ten is 30 What Are You Rounding to? Consider the number 4,