- Determine the two consecutive multiples of 10 that bracket 1,109
- 1,109 is between 1,100 and 1,110
- 1,105 is the midpoint between 1,100 and 1,110
- As illustrated on the number line, 1,109 is greater than the midpoint (1,105)
- Therefore, 1,109 rounded to the nearest ten = 1,110
