Addition
5 + 5 = X
X = 10
100 - 25 = X
X = 75
8 x 8 = X
X = 64
25 divide by 5
5
10+4
14
60 + 231 = X
X = 291
500 - 200 = X
X = 300
6 x 7
42
21 divide by 3
7
26-3
23
2,467 + 3,002 = X
X = 5,469
345 -126 = x
219
7 x 8
56
12 divide by 2
6
24-16
8
6,450 + 650 = X
7100
6,450 - 345 = X
X = 6,105
24 x 2
48
48 divide by 6
8 x 5
40
100 +275 +47 = X
X = 422
3,222 - 2,648
574
32 x 3
96
72 divide by 9
8
96 divide by 8
12