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Study
Addition with Regrouping
0
%
0
0
0
Back
Restart
275+239
514
Oops!
Okay!
93+79
172
Oops!
Okay!
163+207
370
Oops!
Okay!
1937+204
2141
Oops!
Okay!
555+333
888
Oops!
Okay!
132+584
716
Oops!
Okay!
362+428
790
Oops!
Okay!
273+392
665
Oops!
Okay!
681+218
899
Oops!
Okay!
751+156
907
Oops!
Okay!
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