Answer:
In the book, Calpurnia goes to the Robinson home to inform them of Tom's death at the prison. Jem and Dill are with them because Jem was teaching Dill to swim and were reluctantly picked up by Atticus on the way over to the Robinson home.
In the movie, Atticus allows Jem to come with him to the Robinson home to inform them of Tom's death.
Explanation:
