Addition
20 +50 =
70
40 - 10 =
30
3 x 4 =
12
8 / 0 =
0
Round to the nearest tens: 42
40
25 + 75 =
100
1,000 - 500 =
500
20 x 3 =
60
5 / 5 =
1
Round to the nearest hundreds: 471
500
24 + 51 =
75
79 - 32 =
47
6 x 7 =
42
30 / 5 =
6
Round to the nearest thousands: 4,489
4,000
597 + 359 =
956
3,951 - 1,328 =
2,623
1,000 x 8 =
8,000
56 / 7 =
8
Round to the nearest tens: 5,968
5,970
8,410 + 4,723 =
13,133
300 - 124 =
176
25 x 5 =
125
81 / 9 =
9
Round to the nearest hundreds: 90
100