- Determine the two consecutive multiples of 100 that bracket 3,975
- 3,975 is between 3,900 and 4,000
- 3,950 is the midpoint between 3,900 and 4,000
- As illustrated on the number line, 3,975 is greater than the midpoint (3,950)
- Therefore, 3,975 rounded to the nearest hundred = 4,000
