Free Online High school math resources
Looking for the best websites to help your high school student with math? This guide highlights top online High school math resources covering Algebra, Geometry, Trigonometry, Precalculus, Calculus, and Statistics.
Finding the right online math resources for high school students can be overwhelming, especially with so many options available. Whether your teen is struggling with Algebra, preparing for the SAT, or looking for extra help in AP Calculus, having access to high-quality math websites can make all the difference.
In this guide, I’ve compiled a list of the best free and interactive online math resources. These platforms offer video lessons, step-by-step tutorials, graphing tools, and problem-solving practice to help students succeed in math—no matter their level. Read on to discover the top websites that can support your student’s learning journey!
Khan Academy
Description:
Khan Academy provides free, high-quality video lessons and interactive exercises for all levels of high school math. Khan Academy offers an extensive library of free math courses, complete with instructional videos, practice exercises, and interactive quizzes. The lessons progress from fundamental concepts to advanced topics and adapt to individual learning needs. It’s an excellent resource for self-paced learning and SAT/ACT prep.
Resources Available:
- Video Lessons: Step-by-step explanations for a wide range of topics.
- Interactive Quizzes: Immediate feedback to help students track progress.
- Personalized Learning Paths: AI-driven recommendations based on performance.
- Test Preparation: SAT, ACT, and AP Exams
Best For:
- Algebra I & II
- • Geometry
- • Trigonometry
- • Precalculus
- • Calculus I & II
- • Statistics
Illustrative Mathematics
Website: Illustrative Mathematics
Description:
Illustrative Mathematics provides a problem-based, Common Core-aligned curriculum designed to strengthen conceptual understanding. This website provides standards-aligned, problem-based curriculum with real-world applications. Illustrative Mathematics is known for fostering conceptual understanding rather than rote memorization.
Resources Available:
- Problem-Based Lessons: Engaging, real-world applications of math concepts.
- Open-Access Textbooks: Free online textbooks for Algebra, Geometry, and other high school subjects.
Best For:
- Algebra I & II
- Geometry
- Precalculus
Desmos
Website: Desmos
Description:
Desmos is a free, advanced graphing calculator and interactive learning tool that allows students to explore functions and relationships dynamically. On the website you can access interactive lessons for visualizing math concepts.
Resources Available:
- • Graphing Calculator: Free online tool for visualizing algebraic functions.
- • Interactive Activities: Engaging exercises that help students grasp abstract concepts.
- • Geometry Tools: Interactive applications for geometric constructions.
Best For:
- Algebra I & II
- Geometry
- Trigonometry
- Precalculus
- Calculus
IXL
Website: IXL
Description:
IXL provides an adaptive learning platform with thousands of skill-based math problems. It includes real-time progress tracking and diagnostic assessments.
Resources Available:
- Interactive Math Problems: Immediate feedback for each question.
- Personalized Learning: Tailored recommendations based on student progress.
- Skill Mastery Goals: Helps students target specific weak areas.
Best For:
- Algebra I & II
- Geometry
- Trigonometry
- Precalculus
Upper Level Math
Paul’s Online Math Notes
Website: Paul’s Online Math Notes
Description:
Paul’s Online Math Notes is a well-structured collection of free math tutorials, lecture notes, and practice problems, covering foundational to advanced mathematics. The website is ideal for students who prefer written explanations with step-by-step solutions and worked-out examples.
Resources Available:
- Lecture Notes: Detailed explanations of concepts, perfect for independent learning or supplementing classroom instruction.
- Practice Problems: Problems with fully worked-out solutions to reinforce understanding.
- Cheat Sheets: Quick-reference guides covering key formulas and concepts.
Best For:
- Precalculus
- Calculus I, II, III
- Differential Equations
Professor Leonard
Website: Professor Leonard
Description:
Professor Leonard provides a deep dive into higher-level mathematics through his well-structured video lectures. His content is ideal for students taking AP Calculus, IB Math, or preparing for college-level math courses. His videos include detailed explanations of complex topics, real-world applications, and extensive problem-solving sessions.
Resources Available:
- Comprehensive Video Lectures: Full-length lessons covering advanced topics.
- Course Playlists: Organized learning paths for different math subjects.
- Worked-Out Example Problems: Real-world applications and extensive problem breakdowns.
Best For:
- Algebra I & II
- Trigonometry
- Precalculus
- Calculus I, II, III
- Statistics
- Differential Equations
Recap: High School Math Resources
| Website | Best For |
| Paul’s Online Math Notes | Advanced topics, AP Calculus, IB Math |
| Khan Academy | Comprehensive coverage for all high school math subjects |
| Illustrative Mathematics | Conceptual understanding, Common Core-aligned curriculum |
| Desmos | Graphing, interactive learning, visualization of math concepts |
| IXL | Personalized practice, skill-building, structured assessments |
| Prof Rob Bob | Video explanations for Algebra, Geometry, Precalculus |
| Professor Leonard | In-depth lectures for advanced students, AP/IB courses |
More Great Online Math Resources for High School Students
If you’re looking for even more high-quality math resources, check out these excellent websites:
- Art of Problem Solving – A top-tier resource for students who enjoy problem-solving, competition math, and deeper mathematical exploration. Their textbooks, courses, and online community offer challenging problems and expert guidance.
- PBS Learning Media – Mathematics – A collection of engaging, high-quality math lessons, videos, and interactive resources curated by PBS. Great for reinforcing concepts and seeing real-world applications of math.
- Open Middle – A fantastic resource for developing critical thinking and problem-solving skills. The site offers challenging, open-ended math problems that push students beyond simple calculations.
- MathBits – A valuable resource for students using TI graphing calculators. It provides tutorials, practice problems, and tips for maximizing the use of technology in math.
Final Thoughts
With so many incredible online math resources available, high school students have more support than ever to build confidence and master challenging concepts. Whether your student needs help with Algebra, Geometry, Precalculus, or AP Calculus, these websites offer valuable tools for learning at their own pace. But sometimes, self-study isn’t enough. If your teen is struggling with math or wants to get ahead, personalized tutoring can make all the difference.
At Portland Math Tutor, we offer expert one-on-one math tutoring with a licensed math teacher. Designed to meet each student’s unique needs, ur customized approach helps students build problem-solving skills, improve test scores, and develop a strong foundation in math. Ready to see the difference personalized support can make? Contact us today to schedule a free consultation and help your student succeed!
Looking for one-on-one support? Schedule a tutoring session with Portland Math Tutor today!
