Addition- no regrouping
73+6=
79
98-0=
98
5+7=
12
10-10=
0
5x5=
25
51+7=
58
85-35=
50
17
25-4=
21
100x1=
100
38+20=
91-30=
61
36+4=
40
50-10=
40
3x11=
33
27+42=
69
84-11=
73
15+4=
19
20-5=
15
5x10=
50
63+34=
97
30-20=
10
8+8=
16
14-7=
7
9x9=
81