CommonLit is a free collection of fiction and nonfiction for 3rd-12th grade classrooms. Search and filter the collection by lexile, grade, theme, genre, literary device, or common core standard. Download PDFs of all texts, and use the translation feature, if necessary.

Category: ELA, Cross-Curricular Text
Grade Levels: 3-12

Readworks is a site with standards-aligned content across subject areas that allows for targeted reading instruction via leveled reading passages, detailed lesson plans, and thorough comprehension activities. All articles are able to be printed for students.

Category: ELA, Cross-Curricular Text
Grade Levels: K-12

Instead of having students work on one concept a week, MathReps combines clusters of skills so that students do 8-10 skills for several weeks – building automaticity and confidence at a blistering pace. All MathReps are printable for students.

Category: Mathematics
Grade Levels: K-12

YouCubed is a free K-12 math resource from Stanford University's Graduate School of Education. Tasks are activities that can be filtered by grade, level of difficulty, concept, MP standard, and topic. They can be downloaded as PDFs.

YouCubed at Home

Category: Mathematics
Grade Levels: K-12

Open Middle problems generally require a higher Depth of Knowledge than most problems that assess procedural and conceptual understanding. They support CCSS and provide students with opportunities for discussing their thinking. All problems are printable.

Category: Mathematics
Grade Levels: K-12

Robert Kaplinsky is the author of Open Middle Math: Problems That Unlock Student Thinking, creator of the #ObserveMe movement, and co-founder of Open Middle. Click HERE and filter by grade level for hands-on, easy to implement math projects for students to do alone or with family.

Smithsonian's History Explorer is a resource for K-12 teachers and students of American history. The site teaches history by providing artifacts to "read" for the stories they tell.

Category: Social Studies
Grade Levels: K-12

TCI Social Studies and TCI Science provide interactive social studies and science textbooks to help teachers to get more out of their classroom lessons and engage their students. They offer ready-to-teach lesson presentations, complete student resources, customizable assessments, and more, available both online and in print.

Access Full Resources During COVID-19

Category: Social Studies
Grade Levels: K-8 (Social Studies), K-8 (Science)

Twine has curated a list of some of the best free resources for science teachers on the web. Peruse their vetted lists and find printable lesson plans, experiments and video links.

Category: Science
Grade Levels: K-12