Ten-year-old Ada rides the Wardrobe of Time to London, 1843, and meets Ada Lovelace beside the unfinished Analytical Engine. Lovelace shows how punched cards give a machine clear steps called an algorithm. After a near mistake, the two Adas fix the order, test it, and succeed. Back home, Ada teaches her little brother using simple step lists, and writes one strong idea into her red science
This is a Level 12 book on Castle Island: rich 22-page stories for confident readers. It is a book to read together; audio narration is not included at the moment. In the app your child can read it, record their own voice and take a short quiz — earning up to three stars for their crow.
Included in Class Readers Premium. Selected books are free to try.
Four ways to enjoy this story
Read
Every word ready to help.
Read to me
Listen while each word lights up.
Record me
Read aloud, then play it back.
Quiz
No mistakes wins a star.
Questions about The Girl Who Dreamed in Numbers
Is "The Girl Who Dreamed in Numbers" free to read?
"The Girl Who Dreamed in Numbers" is part of Class Readers Premium, which unlocks every book on all 12 levels. Selected books are free to try.
What reading level is "The Girl Who Dreamed in Numbers"?
It is a Level 12 book on Castle Island in the Class Readers Reading Sky: rich 22-page stories for confident readers.
Does "The Girl Who Dreamed in Numbers" include narration?
This book does not include audio narration at the moment. Read it together in the app, record your own reading and try the quiz.
What age is "The Girl Who Dreamed in Numbers" for?
Level 12 books suit children who are reading longer stories, usually around ages 7–10, including children learning English as a second language. Choose by reading ability rather than age.
