Addition
51+7
58
32-8
24
2x4
8
10/2
5
14+32
46
47+18
65
29-12
17
7x6
42
18/3
6
56-32
24
130+39
169
156-27
129
12x8
96
27/3
14x3
42
346+725
1071
872-394
478
15x13
195
120/15
8
36/3
12
272+649
921
956-248
708
27x23
621
240/60
4
1,987+3,456
5,443