- Determine the two consecutive multiples of 1,000 that bracket 89,999
- 89,999 is between 89,000 and 90,000
- 89,500 is the midpoint between 89,000 and 90,000
- As illustrated on the number line, 89,999 is greater than the midpoint (89,500)
- Therefore, 89,999 rounded to the nearest thousand = 90,000
