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 ...

Let's look at rounding 44 to the nearest 10. First put 44 on the number line, then add the closest multiples of ten. 40 and 50 are the closest multiples of ten to 44. 44 is 4 away from 40 and 6 ...