Doubles addition Flashcards
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
