Open Educational Resources (OERs) openly available materials (textbooks, instructional videos, interactive) that instructors can:
You might already be creating and using OERs when you teach with free, customizable, and openly-licensed materials. Many instructors use open pedagogy strategies, such as engaging students as co-authors of materials for a course. When those materials are made available to re-use and share using a Creative Commons license, they become OERs.
Image source: Lane Community College, on Flickr. CC BY-NC 4.0
December 2017 article from the Chronicle of Higher Education presents the results of a survey of 2,700 faculty members on use and attitudes toward OERs. Presents a good overview of why faculty are choosing to use OERs and barriers preventing broader use.
Principles of Macroeconomics covers the scope and sequence requirements of most introductory macroeconomics courses. The text also includes many current examples, which are handled in a politically equitable way. It is available as a free online OER textbook or $33 print edition as part of Rice University's OpenStax project.
ChemCollective's Virtual Lab provides a free virtual lab environment for chemistry students. It is part of ChemCollective, a collection of virtual labs, scenario-based learning activities, tutorials, and concept tests.