- Determine the two consecutive multiples of 1,000 that bracket 165,321
- 165,321 is between 165,000 and 166,000
- 165,500 is the midpoint between 165,000 and 166,000
- As illustrated on the number line, 165,321 is less than the midpoint (165,500)
- Therefore, 165,321 rounded to the nearest thousand = 165,000
