- Determine the two consecutive multiples of 10 that bracket 3,129
- 3,129 is between 3,120 and 3,130
- 3,125 is the midpoint between 3,120 and 3,130
- As illustrated on the number line, 3,129 is greater than the midpoint (3,125)
- Therefore, 3,129 rounded to the nearest ten = 3,130
