- #GoOpenNC: MathematicsBrowse this OER for education resources, lesson plans, and activities related to teaching mathematics.

- Achieve the Core: MathLessons specifically designed to highlight the math Shifts and expectations of college- and career-ready standards.

- AFT Share My Lesson: MathBrowse this OER for resources, lesson plans, and activities related to teaching mathematics.

- Algebra2Go: PrealgebraWelcome to the Algebra2go® prealgebra resources page. Whether you are attending Saddleback College's prealgebra class (math 351), taking a prealgebra class at another school, or need to refresh your math skills for a business or science class, Professor Perez and his favorite student Charlie have the tools that can help you. We have five primary types of study materials: class notes, video worksheets, video lectures, practice problems, and practice quizzes.

- Bookworms: NC Math 6-8A problem based curriculum authored by Illustrative Mathematics. This edition of 6-8 Math is aligned with the newest North Carolina State Mathematical Standards.

- cK-12: MathcK-12 Foundation is a non-profit organization dedicated to improving student learning by increasing access to FREE, high-quality educational materials through the Flex Book® 2.0 platform and concept-based modalities. This OER resource contains resources for teaching a variety of math topics.

- CoreKnowledge: Mathematics 6-8Core Knowledge Mathematics™ (CKMath™) is the newest subject-area to be added to the Core Knowledge Curriculum Series™, with our immediate focus on the middle grades in 6–8. Based upon the highly-rated Illustrative Math and Open Up Resources OER curriculum, CKMath offers students the opportunity to develop conceptual understanding and procedural fluency while they work with an adult to apply math in the real world.

- EduRef: MathematicsThis OER contains lesson plans for teaching a variety of topics related to Mathematics.

- Edutopia: MathExplore and share tips, strategies, and resources for helping students develop in mathematics.

- EngageNY: MathThis OER contains resources for teaching topics related to math.

- Fact Monster: MathematicsThis OER contains resources and activities for teaching various topics relating to Mathematics.

- Fishtank Learning: MathThe goal of our mathematics program is to help all students see themselves as confident and competent mathematicians who are able to apply their math knowledge both in and out of the classroom as global citizens. Our math curriculum is rooted in the following core beliefs about quality math instruction. Explore the foundations of Fishtank Math to learn more about our guiding principles and research base.

- Georgia Virtual Learning: MathThis OER contains lesson plans, resources, and activities for teaching Math in the secondary classroom.

- Illustrative MathematicsWe understand that it’s challenging for teachers to find resources to support students in building an enduring understanding of mathematics. Only the IM Certified Experience helps teachers catalyze mathematical proficiency with an engaging and inclusive approach that lifts students up to the skills, understandings, and practices that will stay with them for a lifetime. IM K–12 Math gives you exclusive access to engaging content and professional learning and to an inclusive community.

- Khan Academy: MathThis OER contains lesson plans, resources, and activities for teaching Mathematics in grades PreK-12.

- MIT Blossoms: Math ResourcesProvides Math and Science video lessons for high school classes.

- National Digital Science Library: MathematicsProvides a variety of resources for mathematics education.

- National Library of Virtual ManipulativesContains a number of resources for teaching a variety of topics in mathematics education.

- Open Curriculum: MathematicsFree tool for K-12 teachers to quickly design differentiated and aligned lesson plans and activities for mathematics.

- Open Up Resources: Math 6-8Open Up Resources 6–8 Math comes complete with:

-Student Materials; print & web

-Teacher Materials; including unit plans, lesson plans, digital and

print assessments

-Scope & Sequence Integrated, lesson-specific supports for ELLs

within every lesson

-Lesson-level strategies for students with disabilities

-Family Resources

-To foster success, a comprehensive

suite of Professional Learning

options is available

- PBS Learning Media: MathematicsBring math concepts to life through interactive games, animations and engaging media resources.

- PHET Interactive Simulations: MathContains many resources for teaching a variety of mathematic topics for K-12 students.