 # Estimate the sum of 12 + 15

## Enter estimate sums parameters:

<-- Enter Number 1
<-- Enter Number 2
<-- Enter Estimate Target

Estimate the sum 15 + 12

NAN = NAN

## Step 2: Add up our estimated numbers

NAN + NAN = NAN

27

### How does the Estimate Sums Calculator work?

Free Estimate Sums Calculator - Estimates the sum of 2 numbers.
This calculator has 3 inputs.

### What 1 formula is used for the Estimate Sums Calculator?

1. Round numbers to the nearest 5 and then add up rounded numbers

For more math formulas, check out our Formula Dossier

### What 5 concepts are covered in the Estimate Sums Calculator?

estimate
an approximate calculation or judgment of the value, number, quantity
estimate sums
number
an arithmetical value, expressed by a word, symbol, or figure, representing a particular quantity and used in counting and making calculations and for showing order in a series or for identification. A quantity or amount.
rounding
replacing a number with an approximate value that has a shorter, simpler, or more explicit representation
sum
the total amount resulting from the addition of two or more numbers, amounts, or items