1
Q
18-9
A
9
2
Q
17-9
A
8
3
Q
17-8
A
9
4
Q
16-9
A
7
5
Q
16-8
A
8
6
Q
16-7
A
9
7
Q
15-9
A
6
8
Q
15-8
A
7
9
Q
15-7
A
8
10
Q
15-6
A
9
11
Q
14-9
A
5
12
Q
14-8
A
6
13
Q
14-7
A
7
14
Q
14-6
A
8
15
Q
14-5
A
9
16
Q
13-9
A
4
17
Q
13-8
A
5
18
Q
13-7
A
6
19
Q
13-6
A
7
20
Q
13-5
A
8
21
Q
13-4
A
9
22
Q
12-9
A
3
23
Q
12-8
A
4
24
Q
12-7
A
5
25
12-6
6
26
12-5
7
27
12-4
8
28
12-3
9
29
11-9
2
30
11-8
3
31
11-7
4
32
11-6
5
33
11-4
7
34
11-3
8
35
11-2
9
36
10-8
2
37
10-7
3
38
10-6
4
39
10-5
5
40
10-4
6
41
10-3
7
42
10-2
8
43
9-7
2
44
9-6
3
45
9-5
4
46
9-3
6
47
9-2
7
48
8-6
2
49
8-5
3
50
8-4
4
51
8-3
5
52
8-2
6
53
7-5
2
54
7-4
3
55
7-3
4
56
7-2
5
57
6-4
2
58
6-3
3
59
6-2
4
60
5-3
2
61
5-2
3
62
4-2
2
Subtraction Facts
flashcards
Decks in class (1)
# Cards
