A: Five years old, or in Kindergarten.
Chloe (age 5): [beaming at her mom] I am five!
Librarian: Great! You can get your first card today! You can fill out the registration form on paper, or online, at the computer right next to the desk or at home.
Mom: Should we do it right now?
Chloe: Yes! Let's use the computer! Can I help you type?