Doubles Flashcards
1
Q
9+9
A
18
2
Q
6+6
A
12
3
Q
2+2
A
4
4
Q
5+5
A
10
5
Q
1+1
A
2
6
Q
8+8
A
16
7
Q
3+3
A
6
7
Q
4+4
A
8
9
Q
10+10
A
20
10
Q
7+7
A
14
