Bookflix: Watch and read interactive children’s stories online. Free with your FVRL library card # and PIN.
Newsela: Non-fiction. Teachers can assign specific articles, or students can independently browse the site and allow their curiosity to guide them toward articles that interest them most. One of the great features is that you can adjust the reading level while the content remains the same (differentiate).
Raz-kids: Online guided reading program with interactive ebooks, downloadable books, and reading quizzes. Some free resources, others require a paid subscription.