- Determine the two consecutive multiples of 1,000 that bracket 647,257
- 647,257 is between 647,000 and 648,000
- 647,500 is the midpoint between 647,000 and 648,000
- As illustrated on the number line, 647,257 is less than the midpoint (647,500)
- Therefore, 647,257 rounded to the nearest thousand = 647,000
