Skip to Main Content

Open Educational Resources (OER)

OERs by Subject










  • Connexions: Mathematics and Statistics
  • FREE: Federal Resources for Educational Excellence
    "More than 1,500 federally supported teaching and learning resources are included from dozens of federal agencies. New sites are added regularly." Keep up with additions by subscribing to the RSS feed.
  • Khan Academy 1: Arithmetic
    Use these short videos to brush up on the fundamentals.
  • Khan Academy 2: Developmental Math
    Over 100 short and easy-to-understand videos covering pre-algebra fundamentals.
  • Khan Academy 6: Algebra
    Just learning algebra? Start here.
  • Khan Academy 8: Geometry
    This is what happens when you master algebra. When you finish these 31 videos and you'll be ready for an even bigger challenge.
  • Khan Academy: Calculus
    This is a large list of videos, but they cover 3 semesters of college calculus.
  • Khan Academy: Statistics
    Get a head start on your statistics class here. Eventually most of the statistical functions will be covered.
  • Math Explorer Activity Database
    From the Exploratorium. If you don't have the book choose online activities.
  • MathWiki​
    The MathWiki is a collaborative approach toward mathematics education where an Open Access textbook environment is constantly being written and re-written by students and faculty members resulting in a free mathematics textbook to supplant conventional paper-based books.
  • MIT OpenCourseWare: Mathematics
    Free course materials; Undergraduate and graduate level; supplemental resources
  • Open Course Library
    "The Open Course Library is a collection of expertly developed educational materials – including textbooks, syllabi, course activities, readings, and assessments – in 81 high-enrollment college courses. 42 courses have been completed so far, providing faculty with a high-quality, affordable option that will cost students no more than $30 for textbooks. All materials are shared under a Creative Commons (CC BY) license unless otherwise noted." Also available via Connexions.
  • PhET: Math
    Interactive simulations in Math from the University of Colorado at Boulder.


Religion & Philosophy



Terms of use:

The OER libguide by PGCC Library is licensed under a CC BY-NC-SA 4.0. It is attributed to UMGC, Butler County Community College, D'Arcy Hutchings and the original versions can be found at UMGC, BCCC, and Hutchings