1236 rounded to the nearest 100 = 1200
As there is a 6 in the ones position, we round up to give 1240 as the answer.
1236 is closest to 1240.
round 90 to the nearest ten
372 rounded to the nearest hundred is 400
300
100
100
100
2,222 rounded to the nearest 100 is 2,200.
10100
100
4198 to the nearest 100 = 4200