T7.7: Addition and Subtraction Within 20, Count Back Flashcards
1
Q
11 - 2
A
9
2
Q
11 - 3
A
8
3
Q
12 - 3
A
9
4
Q
18 - 1
A
17
5
Q
14 - 2
A
12
6
Q
16 - 3
A
13
7
Q
15 - 4
A
11
