en.wikipedia.org/wiki/Estimation

Estimation (or estimating) is the process of finding an estimate, or approximation,
which is a ... In mathematics, approximation describes the process of finding
estimates in the form of upper or lo...

study.com/academy/lesson/how-to-estimate-in-math-definition-lesson-quiz.html

Learn how to use estimate values in this lesson. It can help you answer math
problems that use more complicated numbers and even make it easier to...

www.mathsisfun.com/numbers/estimation.html

As you walk around and live your life, imagine if you could easily estimate: how
much a bill will be, ... In mathematics we often stress getting an exact answer.

www.ask.com/youtube?q=How Do You Estimate in Math?&v=MD1aR1FzNNI

Aug 31, 2011 ... How to estimate the answers to arithemtic problems by estimating.

www.math.com/school/subject1/lessons/S1U1L3GL.html

Estimating is an important part of mathematics and a very handy tool for everyday
life. Get in the habit of estimating amounts of money, lengths of time, distances, ...

www.khanacademy.org/math/in-sixth-grade-math/knowing-numbers/copy-of-6th-estimation-of-numbers/v/multiplying-whole-numbers-and-applications-4

A ticket agent sells 42 tickets to a play. The tickets cost $29 each. Use rounding to
estimate the total dollars taken in from the sale of the tickets. Now if we wanted ...

www.ixl.com/math/grade-4/estimate-sums

Fun math practice! Improve your skills with free problems in 'Estimate sums' and
thousands of other practice lessons.

www.ixl.com/math/grade-3/estimate-sums

Fun math practice! Improve your skills with free problems in 'Estimate sums' and
thousands of other practice lessons.

www.skillsyouneed.com/num/estimation.html

More Advanced Mathematical Concepts: Simple Equations ... Rounding is often
the key skill you need to quickly estimate a number. This is where you make a ...

mathandreadinghelp.org/how_to_estimate_a_math_problem.html

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