Subtraction Within 20 Flashcards
1
Q
11-2
A
9
2
Q
11-3
A
8
3
Q
11-4
A
7
4
Q
11-5
A
6
5
Q
11-6
A
5
6
Q
11-7
A
4
7
Q
11-8
A
3
8
Q
11-9
A
2
9
Q
12-3
A
9
10
Q
12-4
A
8
11
Q
12-5
A
7
12
Q
12-6
A
6
13
Q
12-7
A
5
14
Q
12-8
A
4
15
Q
12-9
A
3
16
Q
13-4
A
9
17
Q
13-5
A
8
18
Q
13-6
A
7
19
Q
13-7
A
6
20
Q
13-8
A
5
21
Q
13-9
A
4
22
Q
14-5
A
9
23
Q
14-6
A
8
24
Q
14-7
A
7
25
Q
14-8
A
6
26
Q
14-9
A
5
27
Q
15-6
A
9
28
Q
15-7
A
8
29
Q
15-8
A
7
30
Q
15-9
A
6
31
Q
16-7
A
9
32
Q
16-8
A
8
33
Q
16-9
A
7
34
Q
17-8
A
9
35
Q
17-9
A
8
36
Q
18-9
A
9
