Round 315 to the nearest ten
If the number you are rounding is followed by 5, 6, 7, 8, or 9, round the number up (+1).If the number you are rounding is followed by 0, 1, 2, 3, or 4, round the number down (no change).\(31\underline{5}\approx320\)
315 to the nearest ten is 320. If you have a 5 in the ones place, its the larger tens
