2-digit Addition
53+27=
80
67-22=
45
545+142=
687
585-24=
561
Will you need to regroup for this problem?
711+190=
Yes!
Regroup 1 hundred for 10 tens.
48+46=
94
54-32=
22
472+36=
508
632-473=
159
838-326=
No!
Subtract each place as is.
77+84=
161
72-45=
27
583+218=
801
705-546=
159
543+544=
No!
Add each place and get a sum.
85+57=
143
85-27=
58
754+296=
1,050
820-434=
386
604-278=
Yes!
Regroup 1 ten for 10 ones first, then regroup 1 hundred for 10 tens.
89+99=
188
90-67=
23
865+867=
1,732
900-586=
314
1,476+528=
Yes!
Regroup 10 ones into 1 ten, then regroup 10 tens into 1 hundred, then regroup 10 hundreds into 1 thousand.