- Determine the two consecutive multiples of 100 that bracket 7,521
- 7,521 is between 7,500 and 7,600
- 7,550 is the midpoint between 7,500 and 7,600
- As illustrated on the number line, 7,521 is less than the midpoint (7,550)
- Therefore, 7,521 rounded to the nearest hundred = 7,500
