Working with Numbers

Peter L. Moore

This chapter is part of: Moore P. 2018. Quantitative Problem Solving in Natural Resources

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Among the most fundamental operations we do with quantities is arithmetic. We can encounter the need for arithmetic in any phase of problem solving, from making a ballpark estimate in the Understand phase to computing and double-checking a final result in the Execute and Check phases. Once we have a solid grasp of the operations that are allowable and those that aren’t – for example, is it OK to add or subtract quantities expressed in different units or on different scales? – we may get down to business with performing basic operations.
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    Oct. 5, 2018 Iowa State University Digital Press 11