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Study
2 digit addition and subtraction no regrouping
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96-24
72
Oops!
Okay!
17 + 21
38
Oops!
Okay!
14 + 51
65
Oops!
Okay!
22 + 34
56
Oops!
Okay!
97 - 46
51
Oops!
Okay!
59 - 32
27
Oops!
Okay!
87 - 45
42
Oops!
Okay!
21 + 48
69
Oops!
Okay!
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