- Determine the two consecutive multiples of 1,000 that bracket 2,151
- 2,151 is between 2,000 and 3,000
- 2,500 is the midpoint between 2,000 and 3,000
- As illustrated on the number line, 2,151 is less than the midpoint (2,500)
- Therefore, 2,151 rounded to the nearest thousand = 2,000
