| Places | Ones | Tenths | Hundredths | |
|---|---|---|---|---|
| 1 | ||||
| Number | 1 | . | 6 | 6 |
| Rounded Number | 1 | . | 7 |
- 6 is in the tenths place and 6 is in the hundredths place
- Since the digit in the hundredths place (6) is greater than or equal to 5, add 1 to the digit in the tenths place (6)
- 1 + 6 = 7, so the digit in the tenths place becomes 7
- The digit in the hundredths place is dropped
- 1.66 rounded to the nearest tenth (one decimal place) = 1.7
