Subtraction Flashcards
(81 cards)
1
Q
2-1
A
1
2
Q
3-1
A
2
3
Q
4-1
A
3
4
Q
5-1
A
4
5
Q
6-1
A
5
6
Q
7-1
A
6
7
Q
8-1
A
7
8
Q
9-1
A
8
9
Q
10-1
A
9
10
Q
3-2
A
1
11
Q
4-2
A
2
12
Q
5-2
A
3
13
Q
6-2
A
4
14
Q
7-2
A
5
15
Q
8-2
A
6
16
Q
9-2
A
7
17
Q
10-2
A
8
18
Q
11-2
A
9
19
Q
4-3
A
1
20
Q
5-3
A
2
21
Q
6-3
A
3
22
Q
7-3
A
4
23
Q
8-3
A
5
24
Q
9-3
A
6
25
10-3
7
26
11-3
8
27
12-3
9
28
5-4
1
29
6-4
2
30
7-4
3
31
8-4
4
32
9-4
5
33
10-4
6
34
11-4
7
35
12-4
8
36
13-4
9
37
6-5
1
38
7-5
2
39
8-5
3
40
9-5
4
41
10-5
5
42
11-5
6
43
12-5
7
44
13-5
8
45
14-5
9
46
7-6
1
47
8-6
2
48
9-6
3
49
10-6
4
50
11-6
5
51
12-6
6
52
13-6
7
53
14-6
8
54
15-6
9
55
8-7
1
56
9-7
2
57
10-7
3
58
11-7
4
59
12-7
5
60
13-7
6
61
14-7
7
62
15-7
8
63
16-7
9
64
9-8
1
65
10-8
2
66
11-8
3
67
12-8
4
68
13-8
5
69
14-8
6
70
15-8
7
71
16-8
8
72
17-8
9
73
10-9
1
74
11-9
2
75
12-9
3
76
13-9
4
77
14-9
5
78
15-9
6
79
16-9
7
80
17-9
8
81
18-9
9
