- Determine the two consecutive multiples of 100 that bracket 1,578
- 1,578 is between 1,500 and 1,600
- 1,550 is the midpoint between 1,500 and 1,600
- As illustrated on the number line, 1,578 is greater than the midpoint (1,550)
- Therefore, 1,578 rounded to the nearest hundred = 1,600
