Subtraction Facts thru 20 Flashcards
1
Q
0-0
A
0
2
Q
1-0
A
1
3
Q
1-1
A
0
4
Q
2-0
A
2
5
Q
2-1
A
1
6
Q
2-2
A
0
7
Q
3-0
A
3
8
Q
3-1
A
2
9
Q
3-2
A
1
10
Q
3-3
A
0
11
Q
4-0
A
4
12
Q
4-1
A
3
13
Q
4-2
A
2
14
Q
4-3
A
1
15
Q
4-4
A
0
16
Q
5-0
A
5
17
Q
5-1
A
4
18
Q
5-2
A
3
19
Q
5-3
A
2
20
Q
5-4
A
1
21
Q
5-5
A
0
22
Q
6-0
A
6
23
Q
6-1
A
5
24
Q
6-2
A
4
25
6-3
3
26
6-4
2
27
6-5
1
28
6-6
0
29
7-0
7
30
7-1
6
31
7-2
5
32
7-3
4
33
7-4
3
34
7-5
2
35
7-6
1
36
7-7
0
37
8-0
8
38
8-1
7
39
8-2
6
40
8-3
5
41
8-4
4
42
8-5
3
43
8-6
2
44
8-7
1
45
8-8
0
46
9-0
9
47
9-1
8
48
9-2
7
49
9-3
6
50
9-4
5
51
9-5
4
52
5-6
3
53
9-7
2
54
9-8
1
55
9-9
0
56
10-0
10
57
10-1
9
58
10-2
8
59
10-3
7
60
10-4
6
61
10-5
5
62
10-6
4
63
10-7
3
64
10-8
2
65
10-9
1
66
10-10
0
67
11-0
11
68
11-1
10
69
11-2
9
70
11-3
8
71
11-4
7
72
11-5
6
73
11-6
5
74
11-7
4
75
11-8
3
76
11-9
2
77
11-10
1
78
12-0
12
79
12-1
11
80
12-2
10
81
12-3
9
82
12-4
8
83
12-5
7
84
12-6
6
85
12-7
5
86
12-8
4
87
12-9
3
88
12-10
2
89
13-0
13
90
13-1
12
91
13-2
11
92
13-3
10
93
13-4
9
94
13-5
8
95
13-6
7
96
13-7
6
97
13-8
5
98
13-9
4
99
13-10
3
100
14-0
14
101
14-1
13
102
14-2
12
103
14-3
11
104
14-4
10
105
14-5
9
106
14-6
8
107
14-7
7
108
14-8
6
109
14-9
5
110
14-10
4
111
15-0
15
112
15-1
14
113
15-2
13
114
15-3
12
115
15-4
11
116
15-5
10
117
15-6
9
118
15-7
8
119
15-8
7
120
15-9
6
121
15-10
5
122
16-0
16
123
16-1
15
124
16-2
14
125
16-3
13
126
16-4
12
127
16-5
11
128
16-6
10
129
16-7
9
130
16-8
8
131
16-9
7
132
16-10
6
133
17-0
17
134
17-1
16
135
17-2
15
136
17-3
14
137
17-4
13
138
17-5
12
139
17-6
11
140
17-7
10
141
17-8
9
142
17-9
8
143
17-10
7
144
18-0
18
145
18-1
17
146
18-2
16
147
18-3
15
148
18-4
14
149
18-5
13
150
18-6
12
151
18-7
11
152
18-8
10
153
18-9
9
154
18-10
8
155
19-0
19
156
19-1
18
157
19-2
17
158
19-3
16
159
19-4
15
160
19-5
14
161
19-6
13
162
19-7
12
163
19-8
11
164
19-9
10
165
19-10
9
166
20-0
20
167
20-1
19
168
20-2
18
169
20-3
17
170
20-4
16
171
20-5
15
172
20-6
14
173
20-7
13
174
20-8
12
175
20-9
11
176
20-10
10
