Language Arts Websites
Homeschool Share
Grades K - 4
Teacher Resource
This site doesn't look like much but there are an unlimited number of books and lesson plans available. Look at the light blue bar, Unit Studies. It will highlight a list of levels, click on the one you are looking for. The resources for each book are incredible.

ReadWorks
This site is everything you need to help differentiate instruction in your classroom. It is all aligned with Common Core and is organized by Theme, Grade Level or Book Title. For example Theme has Author's Purpose, Genre, Main Idea, Cause and Effect plus MANY more to choose from.

Kerpoof Studio