| Places | Hundreds | Tens | Ones |
|---|---|---|---|
| 1 | |||
| Number | 1 | 3 | 8 |
| Rounded Number | 1 | 4 | 0 |
- 3 is in the tens place and 8 is in the ones place
- Since the digit in the ones place (8) is greater than or equal to 5, add 1 to the digit in the tens place (3)
- 1 + 3 = 4, so the digit in the tens place becomes 4
- 0 replaces the (8) in the ones place
- 138 rounded to the nearest ten = 140
