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Study
Double Digit Addition
0
%
0
0
0
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Restart
22 + 23
45
Oops!
Okay!
15 + 23
38
Oops!
Okay!
14 + 72
86
Oops!
Okay!
77 + 12
89
Oops!
Okay!
35 + 20
55
Oops!
Okay!
40 + 19
59
Oops!
Okay!
44 + 32
76
Oops!
Okay!
200 + 500
700
Oops!
Okay!
16 + 43
59
Oops!
Okay!
20 + 79
99
Oops!
Okay!
17 + 12
29
Oops!
Okay!
56 + 12
68
Oops!
Okay!
80 + 35
115
Oops!
Okay!
16 + 32
48
Oops!
Okay!
13 + 25
38
Oops!
Okay!
33 + 14
47
Oops!
Okay!
90 + 20
110
Oops!
Okay!
61 + 17
78
Oops!
Okay!
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