Question

Round 315 to the nearest ten

Answer 1

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).

$31\underline{5}\approx320$

Answer 2

315 to the nearest ten is 320. If you have a 5 in the ones place, its the larger tens