Use estimation when an approximate answer is acceptable.
round or rounding
To make answers right and know math right
Yes, I can.
Estimation worksheets allow you to estimate the math problem...conventional worksheets that you use in general require a genuine answer, not an estimate.
Error estimation involves figuring out the number of errors in a program. This calculation is used not only for computers but also for some equations in math like linear equations.
When using front-end estimation, first you add the front-end digits. Then adjust by estimating the sum of the remaining digits. Then add the two values
who invented, or came up with "pi" in math? How did they come up with the estimation of 3.14?