Adding by 9 up to 20 Flashcards
1
Q
0 + 9
A
9
2
Q
1 + 9
A
10
3
Q
2 + 9
A
11
4
Q
3 + 9
A
12
5
Q
4 + 9
A
13
6
Q
5 + 9
A
14
7
Q
6 + 9
A
15
8
Q
7 + 9
A
16
9
Q
8 + 9
A
17
10
Q
9 + 9
A
18
11
Q
10 + 9
A
19
12
Q
11 + 9
A
20
13
Q
12 + 9
A
21
14
Q
13 + 9
A
22
15
Q
14 + 9
A
23
