To round a number to the nearest 10, look at the ones digit. If the ones digit is 5 or more, round up. If the ones digit is 4 or less, round down. For example, 853 rounded to the nearest 10 would ...

To round a number to the nearest 10, look at the ones digit. If the ones digit is 5 or more, round up. If the ones digit is 4 or less, round down. For example, 853 rounded to the nearest 10 would ...