Free Math Resources

Our Top Favorites (Linked)

1. Khan Academy – The All-in-One Classroom

Why it’s a favorite: It is the most comprehensive free library on the planet. From "1+1" to "Differential Equations," Salman Khan’s conversational teaching style makes complex topics feel approachable.

• Best feature: The personalized dashboard that tracks your progress and suggests what to learn next.

2. Desmos – The Visualizer

Why it’s a favorite: Math can be abstract until you see it move. Desmos turned the clunky, $100+ graphing calculator into a beautiful, free, web-based experience.

• Best feature: "Marbleslides"—interactive games where you change equations to guide marbles through stars. It makes learning functions feel like an arcade game.

3. Mathigon – The "Textbook of the Future"

Why it’s a favorite: If you find traditional textbooks boring, Mathigon is the cure. It calls itself the "Mathematical Playground," featuring colorful, interactive tiles and virtual manipulatives.

• Best feature: Polypad—a digital canvas where you can drag and drop shapes, fractions, and algebra tiles to visualize problems.

4. Zearn – The K-5 Specialist

Why it’s a favorite: For younger students, Zearn is a powerhouse. It’s designed to be used alongside school curriculums (like Eureka Math) to give kids extra "digital" practice that feels like a game.

• Best feature: The "Brainy" character who helps kids work through mistakes without feeling discouraged.

5. 3Blue1Brown – The Deep Thinker

Why it’s a favorite: Sometimes you don't need a practice problem; you need an epiphany. Grant Sanderson’s animations provide the most beautiful explanations of why math works the way it does. 

• Best feature: The "Essence of Calculus" series—it’s a must-watch for any high school or college student.

6. Cute Calculus – The Resource Library

Why it’s a favorite: While there are multiple paid options, the creators of Cute Calculus regularly upload free resources! Check them out for new items posted weekly. 

• Best feature: Currently relevant for curriculum in Algebra - Free Factoring Reference Guide