| Places | Ones | Tenths | Hundredths | Thousandths | |
|---|---|---|---|---|---|
| 1 | |||||
| Number | 5 | . | 1 | 5 | 5 |
| Rounded Number | 5 | . | 2 |
- 1 is in the tenths place and 5 is in the hundredths place
- Since the digit in the hundredths place (5) is greater than or equal to 5, add 1 to the digit in the tenths place (1)
- 1 + 1 = 2, so the digit in the tenths place becomes 2
- The digits to the right of the tenths place are dropped
- 5.155 rounded to the nearest tenth (one decimal place) = 5.2
