- Determine the two consecutive multiples of 1,000 that bracket 43,428
- 43,428 is between 43,000 and 44,000
- 43,500 is the midpoint between 43,000 and 44,000
- As illustrated on the number line, 43,428 is less than the midpoint (43,500)
- Therefore, 43,428 rounded to the nearest thousand = 43,000
