2 Digit Addition
25+13
35-12
what is 23?
134+122
what is 256?
122-111
what is 11?
2x2
what is 4?
81+17
86-24
what is 62?
225+313
what is 538?
156-132
what is 24?
3x10
what is 30?
28+28
what is 56?
94-57
what is 37?
356+148
what is 504?
481-272
what is 209?
4x3
what is 12?
35+47
what is 82?
36-29
what is 7?
203+198
what is 401?
604-319
what is 285?
6x6
what is 36?
59+37
what is 96?
94-79
what is 15?
999+154
what is 1,153?
900-656
what is 244?
9x8
what is 72?