- Determine the two consecutive multiples of 100 that bracket 21,349
- 21,349 is between 21,300 and 21,400
- 21,350 is the midpoint between 21,300 and 21,400
- As illustrated on the number line, 21,349 is less than the midpoint (21,350)
- Therefore, 21,349 rounded to the nearest hundred = 21,300
