Doubles Flashcards
1
Q
2+2
A
4
2
Q
3+3
A
6
3
Q
4+4
A
8
4
Q
5+5
A
10
5
Q
6+6
A
12
6
Q
7+7
A
14
7
Q
8+8
A
16
8
Q
9+9
A
18
9
Q
10+10
A
20
10
Q
20+20
A
40
11
Q
30+30
A
60
12
Q
40+40
A
80
13
Q
50+50
A
100
14
Q
60+60
A
120
15
Q
70+70
A
140
