- Determine the two consecutive multiples of 100 that bracket 20,188
- 20,188 is between 20,100 and 20,200
- 20,150 is the midpoint between 20,100 and 20,200
- As illustrated on the number line, 20,188 is greater than the midpoint (20,150)
- Therefore, 20,188 rounded to the nearest hundred = 20,200
