- Determine the two consecutive multiples of 100 that bracket 4,210
- 4,210 is between 4,200 and 4,300
- 4,250 is the midpoint between 4,200 and 4,300
- As illustrated on the number line, 4,210 is less than the midpoint (4,250)
- Therefore, 4,210 rounded to the nearest hundred = 4,200
