- Determine the two consecutive multiples of 1,000 that bracket 172,825
- 172,825 is between 172,000 and 173,000
- 172,500 is the midpoint between 172,000 and 173,000
- As illustrated on the number line, 172,825 is greater than the midpoint (172,500)
- Therefore, 172,825 rounded to the nearest thousand = 173,000
