Estimation to check answers
18 x 9 = 162
20 x 10 = 200
171 rounding to the nearest hundred.
200
What would be the answer if we rounded this to our nearest 10?
12 + 15
30
What would be the answer if we rounded to the nearest 10?
37 - 11
30
18.44 Rounding to 1dp.
18.4
430 x 28 = 12040
400 x 30 = 12000
3936 rounding to the nearest thousand.
4000
What would be the answer if we rounded to the nearest 10?
24 + 36
60
What would be the answer if we rounded to the nearest 10?
82-65
10
543.563 rounding to 2dp
543.56
508 x 215 = 109,220
500 x 200 = 100,000
89 round to the nearest hundred.
100
What would be the answer if we rounded to the nearest 100?
264 + 620
900
What would be the answer if we rounded to the nearest 100?
356 - 121
300
5 762.66725 Rounding to 3dp.
5 762.667
6.45 x 9.8 = 63.21
6 x 10 = 60
52 973 rounding to the nearest hundred.
53 000
What would be the answer if we rounded to the nearest 100?
2485 + 1219
3700
What would be the answer if we rounded to the nearest 100?
527 - 487
0
0.235532 Rounding to 3dp
0.236
8950 ÷ 9 = 994.55
9000 ÷ 9 = 1000
206,602 rounded to the nearest 1000
207,000
What would the answer be if we rounded to the nearest whole number
241.25 + 58.98
300
What would be the answer if we rounded to the nearest whole number?
25.4 - 10.9
14
789.987 rounded to 1dp
790.0