Which is the best way to estimate 38 + 82 + 96?

One way to estimate 38 + 82 + 96 is to round each number to the nearest ten and then add them up.

38 rounds to 40
82 rounds to 80
96 rounds to 100

So, an estimate for 38 + 82 + 96 is:

40 + 80 + 100 = 220