1, 2, 3, 4, 5, 6, 7 that's the way to start
8, 9, 10, 11, 12 you'll learn them all by heart
13, 14, 15, 16 they're the next along
17, 18, 19, 20 that's the number song
1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20
1, 2, 3, 4, 5, 6, 7 learn them all by heart
8, 9, 10, 11, 12 you'll learn them from the start