In this worksheet, you must round numbers to the nearest whole number or to 1 decimal place.

3.57 rounded to the nearest whole number is 4.

3.5 or more rounds up to 4.
3.49 or less rounds down to 3.

3.57 rounded to 1 decimal place is 3.6 .

Locate the right hand digit to the one which needs to be rounded.

If that digit is 5 or more ie 3.55 or more, round up to 3.6 .
If that digit is 4 or less ie 3.54 or less, round down to 3.5 .