Addition and Subtraction facts within 20 Flashcards
1
Q
1+9
A
10
2
Q
2+9
A
11
3
Q
3+9
A
12
4
Q
4+9
A
13
5
Q
5+9
A
14
6
Q
6+9
A
15
7
Q
7+9
A
16
8
Q
8+9
A
17
9
Q
9+9
A
18
10
Q
2+8
A
10
11
Q
3+8
A
11
12
Q
4+8
A
12
13
Q
5+8
A
13
14
Q
6+8
A
14
15
Q
7+8
A
15
16
Q
8+8
A
16
17
Q
8+9
A
17
18
Q
3+7
A
10
19
Q
4+7
A
11
20
Q
5+7
A
12
21
Q
6+7
A
13
22
Q
7+7
A
14
23
Q
8+7
A
15
24
Q
9+7
A
16
25
Q
4+6
A
10
26
Q
5+6
A
11
27
Q
6+6
A
12
28
Q
7+6
A
13
29
Q
8+6
A
14
30
Q
9+6
A
15
31
Q
5+5
A
10
32
Q
20-10
A
10
33
Q
19-10
A
9
34
Q
18-10
A
8
35
Q
17-10
A
7
36
Q
16-10
A
6
37
Q
15-10
A
5
38
Q
14-10
A
4
