- Determine the two consecutive multiples of 1,000 that bracket 99,999
- 99,999 is between 99,000 and 100,000
- 99,500 is the midpoint between 99,000 and 100,000
- As illustrated on the number line, 99,999 is greater than the midpoint (99,500)
- Therefore, 99,999 rounded to the nearest thousand = 100,000
