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ISBN: 978-1-961584-47-1
E-book, digital online
Publication date: February 1, 2023




Algebra 1 by OpenStax is licensed under Creative Commons Attribution License v4.0. Algebra 1 was authored by OpenStax and is based, in part, on OpenStax Prealgebra, Elementary Algebra, Intermediate Algebra, and College Algebra materials, and the IM 6–12 Math™ by Illustrative Mathematics®.









Senior Contributing Authors:

Lynn Marecek, Santa Ana College

MaryAnne Anthony-Smith, Formerly of Santa Ana College

Andrea Honeycutt Mathis, Northeast Mississippi Community College

Jay Abramson, Arizona State University

Sharon North, St. Louis Community College

Amy Baldwin, University of Central Arkansas



Algebra 1 was authored by OpenStax and is based, in part, on the OpenStax Prealgebra, Elementary Algebra, Intermediate Algebra, and College Algebra materials, and the IM 6–12 Math™ by Illustrative Mathematics®. Based on OpenStax’s open (CC-BY) license, educators may remix and reuse the elements and content in Algebra 1 according to their approach. OpenStax textbooks are always free online.

All OpenStax textbooks undergo a rigorous review process. However, like any professional-grade textbook, errors sometimes occur. If you have a correction to suggest, submit it to k12@openstax.org. We review your suggestions and make the necessary changes.




Students who don’t complete Algebra 1 have just a 1 in 5 chance of graduating from high school. Increasing access to rigorous, engaging, standards-aligned Algebra content helps prepare more students to succeed in higher-level mathematics.

  • Algebra 1 is a critical “gateway course” in K12 education.
  • Success in Algebra 1 is a predictor of on-time graduation rates, success in higher-level mathematics, and post-secondary success.
  • OpenStax Algebra 1 is a High-Quality Instructional Material designed for secondary Algebra instruction.

OpenStax Algebra 1 is a complete Algebra 1 curriculum and an open education resource (OER) that is standards-aligned, easy to implement, supportive of diverse learners, and engaging for students. Algebra 1 is supported by instructional support resources, including implementation guidance, pacing suggestions, and ancillary engagement materials.





ISBN: 978-1-961584-47-1
E-book, digital online
Publication date: February 1, 2023