Open Educational Resources (OER) by Subject

Algebra & Trigonometry

• Matrix Algebra with Computational Applications (2021, CC BY-NC, MSU)
•  (OpenStax)
• Elementary Algebra (OpenStax)
• Intermediate Algebra (OpenStax)
• College Algebra (OpenStax)
• Algebra and Trigonometry (OpenStax)
• College Trigonometry (Open Textbook Library)
• Trigonometry (Open Textbook Library)

Geometry

• Euclidean Plane and Its Relatives (Penn State University/Open Textbook Library)

Precalculus

• Stitz Zeiger Open Source Mathematics for Precalculus (CC BY-NC-SA)

Calculus

• Precalculus (OpenStax)
• Precalculus (University of Washington/Open Textbook Library)
• Active Calculus 2.0 (Grand Valley State University/Open Textbook Library)
• Active Calculus Multivariable (Grand Valley State University/Open Textbook Library)
• Calculus, Vol. 1 (OpenStax)
• Calculus, Vol. 2 (OpenStax)
• Calculus, Vol. 3 (OpenStax)
• Fundamentals of Calculus (Fullerton College)
• Calculus in Context (The Five College Calculus Project)
• Calculus: Early Transcendentals (LibreTexts)

Linear Algebra

• ​A First Course in Linear Algebra (Brigham Young University/Lyryx/Open Textbook Library)
• A First Course in Linear Algebra (University of Puget Sound/Open Textbook Library)

Advanced Mathematics

• Computational and Inferential Thinking: The Foundations of Data Science (UC Berkeley, CC BY-NC-ND 4.0)
• Abstract Algebra:  Theory and Applications (Stephen F. Austin State University/Open Textbook Library)
• A Computational Introduction to Number Theory and Algebra (New York University/Open Textbook Library)
• A Gentle Introduction to the Art of Mathematics (Southern Connecticut State University/Open Textbook Library)
• A Primer of Real Analysis (Furman University/Open Textbook Library)

Statistics

• Advanced High School Statistics (OpenIntro/Open Textbook Library)
• Collaborative Statistics (OpenStax)
• Introductory Statistics (OpenStax)
• Introductory Business Statistics (OpenStax)
• Learning Statistics with R: A Tutorial for Psychology Students and Other Beginners (Open Textbook Library)

Math for ESOL

• Teaching Math for Emergent Bilinguals: Building on Culture, Language, and Identity (2020, Iowa State, CC BY-NC-SA)

• Desmos (Non-commercial use only) A free suite of math software tools, including the renowned Desmos Graphing Calculator and Scientific Calculator.
• Khan Academy (CC BY-NC-ND) Khan Academy offers practice exercises, instructional videos, and a personalized learning dashboard that empower learners to study at their own pace in and outside of the classroom.

• American Institute of Mathematics Approved OER Textbooks. All the books have been judged to meet the evaluation criteria set by the AIM editorial board.