Doubles Flashcards
(22 cards)
1
Q
1 + 1
A
2
2
Q
2 + 2
A
4
3
Q
3 + 3
A
6
4
Q
4 + 4
A
8
5
Q
5 + 5
A
10
6
Q
6 + 6
A
12
7
Q
7 + 7
A
14
8
Q
8 + 8
A
16
9
Q
9 + 9
A
18
10
Q
10 + 10
A
20
11
Q
20 - 10
A
10
12
Q
18 - 9
A
9
13
Q
16 - 8
A
8
14
Q
14 - 7
A
7
15
Q
12 - 6
A
6
16
Q
10 - 5
A
5
17
Q
8 - 4
A
4
18
Q
6 - 3
A
3
19
Q
4 - 2
A
2
20
Q
2 - 1
A
1
21
Q
0 + 0
A
0
22
Q
0 - 0
A
0
