Rio Commons is a collection of OER content created by Rio Salado College. Rio Commons is also a portal to other established OER providers. Content provided within Rio Commons is selected by College faculty, managed by Rio Salado Instructional Design Services, and maintained by Rio Salado Course Production. The Rio Commons site serves many purposes including the following: Allows students access to practice basic skills; Provides a means for remediation and enrichment; Meets grant requirements that specify OER publication; Links to other OER portals and repositories; Contributes to the OER body of content.

This course has been designed to help students focus learning on specific areas of improvement. Unlike a typical college course where you would complete lessons in chronological order, this course allows you to focus on specific skills. Modules include: Arithmetic Review, Percents, Geometric Figures, Measurement, and Statistics