- Determine the two consecutive multiples of 100 that bracket 350,123
- 350,123 is between 350,100 and 350,200
- 350,150 is the midpoint between 350,100 and 350,200
- As illustrated on the number line, 350,123 is less than the midpoint (350,150)
- Therefore, 350,123 rounded to the nearest hundred = 350,100
