Subtraction 4s Flashcards
1
Q
4-1
A
3
2
Q
4-2
A
2
3
Q
4-3
A
1
4
Q
12-4
A
8
5
Q
11-4
A
7
6
Q
10-4
A
6
7
Q
9-4
A
5
8
Q
8-4
A
4
9
Q
7-4
A
3
10
Q
6-4
A
2
11
Q
5-4
A
1
12
Q
4-4
A
0
