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Online mathematics learning resources

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This page lists a number of online math learning resources.

Video lectures

We list here resources that contain large numbers of video lectures. Note that some of these resources offer videos in other subjects. Comments about quality may not apply to the other subjects.

Resource Website Topics covered in the video lectures Duration of the lectures Cost Comments on quality and links to reviews Computational/conceptual spectrum (scale of 1 to 5, 1 for very computational, 5 for very conceptual)
Khan Academy (includes math and other subjects) Entire school math curriculum plus large parts of the introductory college math curriculum 5-15 minutes Free Functional but of mediocre quality. However, the ability to pause and review video lectures, combined with the comprehensive curriculum coverage and integration with worked examples, may make this worthwhile. See reviews here, here, and here 2, but conceptual explanations may be wrong or misguided due to Khan's lack of subject matter knowledge.
PatrickJMT (only math) Large parts of high school math curriculum and beginning college curriculum, including all of calculus 5-10 minutes Free, but you can donate to the author Somewhat better than Khan Academy in terms of the quality of explanation, but no integration with practice exercises. Still very computation-oriented and with very little emphasis on conceptual understanding. (Write a separate review, link to it? Or find reviews) 1, but conceptual explanations, when offered, are likely to be correct.
MIT OpenCourseWare (includes math and other subjects, math courses relevant for high schoolers include only calculus-related courses) [http:/], most relevant subset: calculus courses Most relevant for people taking Advanced Placement Calculus (or equivalent) or more advanced courses Since these are mostly actual lectures delivered in college classes, they are generally about 50 minutes long. Free Reasonably good videos. The Highlights of Calculus course should be the most accessible to high school students since it provides a big picture overview of calculus. (Add links to reviews?) 3 (?)
Center of Math (only math) Center of Math videos Calculus and multivariable calculus (following textbooks published by them) 50-70 minutes Free The videos are very good for in-depth learning, but their length could be a hindrance to many students. In general, the teachers display considerable conceptual depth. 4, maybe 5
Math Doctor Bob (only math) Courses (toggle between different course types -- the link goes to basic algebra) High school algebra, precalculus, calculus, and multivariable calculus, plus higher math 5-15 minutes Free Reasonably good videos. 3 (?)
Dr. Chris Tisdell (only math) YouTube channel calculus (integration onward), differential equations, and more advanced math 10-25 minutes Free Reasonably good videos 3 (?)
IntegralCALC (only math) all of calculus  ? Paid, free trial Not evaluated  ?
ThinkWell courses in high school math and calculus 10-25 minutes Paid (you can pay ~$150 for a year-long subscription to their video-based course, along with many supplementary materials) Lectures are accompanied by summaries appearing on the side, that help with effective learning. Highly recommended if it were not for the cost. 3, maybe 4
Vipul's Classroom (only math) (COI disclosure?) YouTube channel Calculus and multvariable calculus (covers only selected topics) 5-20 minutes Free Similar to Center of Math, but shorter videos often focus on more specific topics rather than on developing an entire thread. No corresponding book, but related pages at 4, maybe 5

Online practice and diagnostic assessment

Resource Website Topics covered for diagnosis and assessment Cost Dependencies between topics included? Detailed solutions provided? Can learners keep track of their mastery?
ALEKS Most of school math and calculus up to $20/month, but free 14-day trial Yes, in a very detailed form using knowledge spaces Yes Yes
Khan Academy Most of school math and calculus Free Yes, but very preliminary Yes, and partial hints also provided Yes
Brilliant Middle school and high school math and calculus, may not comprehensively cover all topics Free No, but they may be building it soon Yes (?) Yes