1214
796 - 387 = 800 - 390 = 800 - (400 - 10) = 800 - 400 + 10 = 400 + 10 = 410
It is an estimate that is quite safe
The estimate for 15,772 is 10,000
It could estimate to 480 or even 500, depending on what way you want to estimate it to.
A ballpark estimate is a very rough approximation of a number, figure, or calculation.
How do you make a ballpark estimate of 7201 plus 6988?
i would say they way to get the ballpark estimate is by taking the number. and see what is the estimate for that number and then you take that estimated number and then add to get your answer .
7200
6500
370
150
136-79 with ballpark estimate and partial differences method = 57
4900
ballpark
33
14200