209
1 + 7 = 8
That equals 559. If you have to, estimate 210 + 350 = 560
3 + 4 = 7
15.90 + 90 = 16.80
How do you make a ballpark estimate of 7201 plus 6988?
The ballpark estimate for 67+85 is 70+90. Hope it helped
33
600
600
209
1214
1330 plus 900
520.
23.40
120+220
200+100