Rounding to the Nearest Ten
Add then round to the nearest 10.
56 + 35 =
91 rounds to 90
Subtract then round the difference to the nearest 10.
38 - 5 =
33 rounds to 30
Add then round to the nearest 10.
39 + 24 =
63 rounds to 60
Subtract then round the difference to the nearest 10.
167 - 25 =
142 rounds to 140
Add then round to the nearest 100.
835 + 27 =
862 rounds to 900
Subtract then round the difference to the nearest 10.
178 - 69 =
109 rounds to 110
Add and round the sum to the nearest 100.
278 + 384 =
662 rounds to 700
Subtract then round the difference to the nearest 100.
582 - 195 =
387 rounds to 400
Add the round the sum to the nearest 100.
313 + 213 =
526 rounds to 500
Subtract then round the difference to the nearest 100.
721 - 489 =
232 rounds to 200