| Places | Tens | Ones | Tenths | Hundredths | Thousandths | |
|---|---|---|---|---|---|---|
| 1 | ||||||
| Number | 6 | 6 | . | 8 | 6 | 4 |
| Rounded Number | 6 | 7 |
- 6 is in the ones place and 8 is in the tenths place
- Since the digit in the tenths place (8) is greater than or equal to 5, add 1 to the digit in the ones place (6)
- 1 + 6 = 7, so the digit in the ones place becomes 7
- The decimal point and the digits to the right of the ones place are dropped
- 66.864 rounded to the nearest whole number (ones place) = 67
