- Determine the two consecutive multiples of 100 that bracket 12,108
- 12,108 is between 12,100 and 12,200
- 12,150 is the midpoint between 12,100 and 12,200
- As illustrated on the number line, 12,108 is less than the midpoint (12,150)
- Therefore, 12,108 rounded to the nearest hundred = 12,100
