Doubles +/-1 Or Count -on Flashcards
0
Q
3+2
A
5
1
Q
1+2
A
3
2
Q
3+4
A
7
3
Q
8+9
A
17
4
Q
6+7
A
13
5
Q
7+6
A
13
6
Q
9+10
A
19
7
Q
7+8
A
15
8
Q
8+7
A
15
9
Q
5+4
A
9
10
Q
9+8
A
17
11
Q
6+5
A
11
