- Determine the two consecutive multiples of 10 that bracket 18,149
- 18,149 is between 18,140 and 18,150
- 18,145 is the midpoint between 18,140 and 18,150
- As illustrated on the number line, 18,149 is greater than the midpoint (18,145)
- Therefore, 18,149 rounded to the nearest ten = 18,150
