Adding With Regrouping
22+39=
61
29-15=
14
22+24=
46
55-46=
9
55+55=
110
49+97=
146
75-63=
12
45+10=
55
81-29=
52
66+66=
132
99+89=
188
89-46=
43
60+20=
80
47-39=
8
99+99=
198
123+49=
172
114-13=
101
70+30=
100
93-66=
27
145+145=
290
159+157=
316
175-34=
141
35+30=
65
105-36=
69
500+500=
1,000