Estimation is a way of rounding numbers off to some place value for some reason. For example, when a reporter wants to report the number of spectators in a stadium, he does not have to count every single person all the way up to the last person and then say for example, “There are 53, 476 people in the stadium right now.” Nobody would required that number with that much accuracy. The reporter can simply round the number of spectators to the nearest 10,000’s and simply say that there are about 50,000 people in the stadium today. Estimation is used in those kinds of situations.  Continue reading “Estimation”