what is estimating
An estimate is a calculation of the quantities of various items of work, and the expenses likely to be incurred thereon. The total of these probable expenses to be incurred on the work is known as estimated cost of the work. The estimated cost of a work is a close approximation of its actual cost.
How to Estimate a Math Problem. Estimation is a great way to check your work and solve math problems quickly. Once you learn to round numbers successfully, you can do much more complex math equations in your head. Here are some tips and tricks for mastering the art of rounding and estimation.