It’s the doubles, baby, here we go, here we go!
It’s the doubles, baby, and we start with zero:
0 + 0 = 0 Oh!
1 + 1 =2 Ooooooh!
2 + 2 = 4 More!
3 + 3 = 6 Kicks!
4 + 4 = 8 That’s Great!
5 + 5 = 10 Again!
6 + 6 = 12 That’s swell!
7 + 7 = 14 Let’s lean!
8 + 8 = 16 Really keen!
9 + 9 = 18 Jelly bean!
10 + 10 = 20 That’s plenty!