What is 1 + 1
2
What is 6 + 6
12
What is 2 + 2
4
What is 7 + 7
14
What is 3 + 3
6
What is 8 + 8
16
What is 4 + 4
8
What is 9 + 9
18
What is 5 + 5
10
What is 10 + 10
20