Estimated Sum. For example let us estimate the following sums. In example 4 we got an estimated sum of 30 using the front end strategy and an estimate of 30 4 by rounding to the nearest tenth.
The actual addition is 37 58 95. We look at the total amount of rounding three things can happen. We will learn the basic knowledge for estimating a sum.
Fractions 7 8 are rounded up to 8 8 1.
Fractions 1 8 and 3 8 are rounded to 2 8 1 4. Estimate the sum calculator by rounding to nearest 10 100 or 1000. Fractions 1 8 and 3 8 are rounded to 2 8 1 4. In mathematics summation is the addition of a sequence of any kind of numbers called addends or summands.
