I used to believe there were numbers called "onety" and 'twoty." I thought "twoty-nine" came before twenty.
A childhood belief about counting

others believed things like this
- When I was a kid I believed that the number 11 was pronounced "onety-one"— Alicia
- I used to believe that numbers had gender, that the odd numbers were boys and even numbers were girls. — Evelyn
I used to believe that some insects had twenty lives.LOLAnon- I used to believe that twenty was the largest number in the universe.— Bernardo Fernandez
- Just this moment I learned that earwigs do not go into your ears, i'm twenty-four.— Sheila
- I used to be terrified of the numbers 18 and 19. I think I thought that when you turned 18 or 19, you die.— Emmy