- Determine the two consecutive multiples of 100 that bracket 37,121
- 37,121 is between 37,100 and 37,200
- 37,150 is the midpoint between 37,100 and 37,200
- As illustrated on the number line, 37,121 is less than the midpoint (37,150)
- Therefore, 37,121 rounded to the nearest hundred = 37,100
