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Study
2 digit addition without regrouping
0
%
0
0
0
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Restart
.
93
Oops!
Okay!
.
94
Oops!
Okay!
.
88
Oops!
Okay!
.
48
Oops!
Okay!
?
69
Oops!
Okay!
?
95
Oops!
Okay!
.
87
Oops!
Okay!
.
48
Oops!
Okay!
.
84
Oops!
Okay!
.
58
Oops!
Okay!
?
89
Oops!
Okay!
.
96
Oops!
Okay!
.
85
Oops!
Okay!
.
94
Oops!
Okay!
.
54
Oops!
Okay!
.
96
Oops!
Okay!
.
49
Oops!
Okay!
.
69
Oops!
Okay!
?
79
Oops!
Okay!
?
94
Oops!
Okay!
.
73
Oops!
Okay!
.
71
Oops!
Okay!
.
68
Oops!
Okay!
.
87
Oops!
Okay!
.
78
Oops!
Okay!
.
54
Oops!
Okay!
.
96
Oops!
Okay!
.
83
Oops!
Okay!
.
96
Oops!
Okay!
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