Arts and Culture--Explore Art, Virtually visit museum exhibits and 3D perspectives
Colorado Encyclopedia--Resource sets, Classroom activities, Everything Colorado/History to Present
CommonLit.org--FREE collection of fiction and nonfiction for 3rd-12th grades
Docs Teach--Primary Source documents and activities from the National Archives
EdPuzzle--Turn Videos into lessons
Library of Congress (LOC)--Primary Source Sets, Lesson Plans, Activities
Newsela--Current news articles in various reading levels
Project Gutenberg--54,000 FREE eBooks
Rewordify.com--Rewording difficult text
Teachers First--Web resources for teachers BY teachers
TeachingBooks.net--Author programs, Book guides, Book readings, etc.
TweenTribune--Lexile leveled news articles K-12