Exercise in rounding numbers to the nearest thousand. Level 1 - Estimating answers to calculations: multiple choice Exercise in using estimating strategies to eliminate possible answers to problems.

Rounding whole numbers is used regularly in everyday life.The exact figure or value is not always needed initially, particularly if people are deciding whether they can afford a product or not.

A method taught in school for rounding numbers doesn’t work well for certain uses, including in machine learning. Now, a different way of rounding is making a “resurgence,” researchers say.