Explain Front end estimation

Let us study front end estimation in math,

Front end estimation typically produces an earlier estimation of addition or difference than the answer formed through adding or subtracting rounded numbers.

In front end estimation math, one takes the two maximum digits of a number, and then put zeros on the other position values. This is supposed to create an earlier estimate than rounding and then addition numbers. In this article we shall discuss about the front end estimation math.

I hope the above explanation was useful, now let me explain 8th grade math problems