- Determine the two consecutive multiples of 100 that bracket 165,321
- 165,321 is between 165,300 and 165,400
- 165,350 is the midpoint between 165,300 and 165,400
- As illustrated on the number line, 165,321 is less than the midpoint (165,350)
- Therefore, 165,321 rounded to the nearest hundred = 165,300
