| Places | Tens | Ones | Tenths | |
|---|---|---|---|---|
| Number | 3 | 1 | . | 2 |
| Rounded Number | 3 | 1 |
- 1 is in the ones place and 2 is in the tenths place
- Since the digit in the tenths place (2) is less than 5, the digit in the ones place (1) does not change
- The decimal point and the digit in the tenths place are dropped
- 31.2 rounded to the nearest whole number (ones place) = 31
