Khan Academy Math Courses
Descriptions
- Source: Khan Academy (Salman Khan)
- Prerequisites: None, beginner-friendly
- Difficulty: 🌟 ~ 🌟🌟🌟
- Class Hour: Varies
Khan Academy is the world's largest free online education platform, founded by Salman Khan. Its math courses cover everything from elementary to university level, completely free.
Khan Academy's hallmark: short videos + extensive exercises + instant feedback. Each video is 5-15 minutes, covering one concept, followed by practice problems.
Resources
- Website: khanacademy.org
- Math courses: Khan Academy Math
- Chinese version: Khan Academy CN (partial Chinese translation)
- App: Official apps for iOS and Android
Recommended Paths
Calculus Path
- AP Calculus AB → Equivalent to Calculus I
- AP Calculus BC → Equivalent to Calculus II
- Multivariable Calculus
Linear Algebra Path
- Linear Algebra (foundations)
- Matrix Transformations
Probability Path
- Statistics and Probability (foundations)
- AP Statistics
Discrete Math Path
- Combinatorics
- Cryptography (involves number theory)
Self-Study Tips
Use Khan Academy for pre-class preview and post-class review. Its short videos are great for quick concept building.
Do the exercises. Khan Academy's exercise system provides instant feedback.
Use alongside formal courses. Khan Academy is best as a supplement, not a sole learning resource.
Notes
Khan Academy is completely free with no ads. It operates on donations and volunteer translations.
If your English is limited, use the Chinese version (zh.khanacademy.org), though it has less comprehensive coverage than the English version.