CK-12 Foundation
CK-12 Earth Science Concepts for Middle School
Explore a variety of science concepts in an interactive textbook created for middle school scholars. A lengthy table of contents takes readers to pages comprised of a subject overview, outline, and summary. Follow links further to find...
Savvas Learning
Saxon Math 5/4
You'll never have to search for another worksheet again after downloading this extensive collection of Saxon math materials. With over 600 pages of example problems and skills practice exercises, this is a must-have resource...
Open Oregon Educational Resources
Principles of Microeconomics: Scarcity and Social Provisioning
There’s no such thing as a free economics course, but here's a resource that is as close as you can get. Drawing on the expertise of a textbook, augmented by input from higher education economics instructors, a helpful eBook presents a...
Open Oregon Educational Resources
Oregon Writes Open Writing Text
Are some resource books more confusing than helpful? The creator of Oregon Writes Open Writing Text thinks so. That is why the text remains a living document with input from teachers, librarians, and scholars. The eBook begins with...