- Determine the two consecutive multiples of 10 that bracket 1,238
- 1,238 is between 1,230 and 1,240
- 1,235 is the midpoint between 1,230 and 1,240
- As illustrated on the number line, 1,238 is greater than the midpoint (1,235)
- Therefore, 1,238 rounded to the nearest ten = 1,240
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