2 digit addition
12+14
26
25-10
15
100+200
300
522-200
322
1,000+3,000
4,000
26+52
78
46-20
26
235+150
385
875-125
750
2,500+10,000
12,500
64+19
83
63-18
45
163+207
370
986-359
627
6,789-1234
5,555
78+83
161
95-26
69
378+116
494
764-389
375
35,896+17,650
53,546
98+89
187
61-38
23
895+768
1663
905-687
218
2500-1766
734