Coolmath offers free online math lessons, games and activities, including algebra and precalculus topics.
SchoolYourself
SchoolYourself offers interactive online math videos, lessons, and tutoring, with blog and account links.
About SchoolYourself
SchoolYourself is an online math learning site that emphasizes learning by doing rather than watching videos. Its lessons cover several math subjects. The about page says the team joined Amplify in December 2015 and that the materials remain available on this site and on edX.
Key features
- Interactive lessons in algebra, geometry, trigonometry, precalculus, and calculus
- Smart recommendations that identify where help is needed or when to move ahead
- Personalized assessment and review plans
- Books listed for trigonometry, precalculus, and calculus
Best for: Flipped classrooms, students getting ahead in class, self-learners, and homeschooled students.
SchoolYourself at a glance
- Website
- schoolyourself.org
- Category
- Education & Learning › Mathematics Learning
- Type
- Website
- Pricing
- Free
- Platforms
- Web
- Details verified
- Oct 22, 2026 · Official source
- Open source
- Not stated
- Good for
- Educators
- Last checked
- Oct 5, 2026 · Online when checked
- Listed
- Oct 5, 2026
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