- Determine the two consecutive multiples of 100 that bracket 2,231
- 2,231 is between 2,200 and 2,300
- 2,250 is the midpoint between 2,200 and 2,300
- As illustrated on the number line, 2,231 is less than the midpoint (2,250)
- Therefore, 2,231 rounded to the nearest hundred = 2,200
