Mental Arithmetic > Addition - 9s > Flashcards
1 + 9 =
10
2 + 9 =
11
3 + 9 =
12
4 + 9 =
13
5 + 9 =
14
6 + 9 =
15
7 + 9 =
16
8 + 9 =
17
9 + 9 =
18
10 + 9 =
19
11 + 9 =
20
12 + 9 =
21
13 + 9 =
22
14 + 9 =
23
15 + 9 =
24
16 + 9 =
25
17 + 9 =
26
18 + 9 =
27
19 + 9 =
28
20 + 9 =
29