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
11 + 11
A
22
11
Q
12 + 12
A
24
12
Q
13 + 13
A
26
13
Q
14 + 14
A
28
14
Q
15 + 15
A
30
15
Q
20 + 20
A
40
16
Q
50 + 50
A
100
17
Q
100 + 100
A
200
18
Q
200 + 200
A
400
19
Q
500 + 500
A
1000
20
Q
1000 + 1000
A
2000
21
Q
25 + 25
A
50
22
Q
300 + 300
A
600
23
Q
30 + 30
A
60
24
Q
40 + 40
A
80
25
60 + 60
120
26
70 + 70
140
27
80 + 80
160
28
90 + 90
180
29
400 + 400
800
30
2000 + 2000
4000
31
150 + 150
300
32
30 + 30
60
33
60 + 60
120
34
250 + 250
500
