CK-12
Free textbooks and adaptive practice for K-12 math and science
✓Free
🌐Web
About
CK-12 is a free, AI-powered online platform providing comprehensive K-12 STEM learning resources, including customizable FlexBooks, exercises, and simulations. It empowers educators with high-quality, adaptable content for instruction and assessment, while offering students personalized learning paths and adaptive practice to master concepts effectively.
How to Use
1. Visit the CK-12 Foundation website or download the CK-12 app on your device. No account is required to browse most content, but creating one allows tracking progress.
2. Browse subjects like Math and Science by grade level (K-12) or specific topics. You can explore FlexBooks (digital textbooks), concepts, practice exercises, and real-world applications.
3. Select a concept or FlexBook chapter to engage with interactive lessons, videos, and simulations. Read through the material and use the embedded tools for deeper understanding.
4. Complete the adaptive practice questions to test your knowledge; the system will provide hints and adjust difficulty. Educators can assign content and monitor student progress through 'Classes'.
Available On
web
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Frequently Asked Questions
What is CK-12?▾
CK-12 is an AI-powered educational platform offering free K-12 math and science resources. It provides digital textbooks, adaptive practice, and interactive content designed to personalize learning. Its mission is to improve student outcomes globally by making quality educational materials accessible and engaging.
Is CK-12 truly free?▾
Yes, CK-12 is completely free for all users. It operates as a non-profit foundation, providing access to its entire library of textbooks, practice problems, and adaptive learning tools without any subscription fees or hidden costs. This commitment ensures equitable access to educational resources.
What subjects and grades does CK-12 cover?▾
CK-12 primarily focuses on K-12 math and science. Its extensive library includes subjects like algebra, geometry, calculus, biology, chemistry, and physics. Content ranges from foundational concepts for elementary grades through advanced topics for high school, aligning with common curriculum standards.
How does CK-12 leverage AI for learning?▾
CK-12 utilizes AI through its "FlexBooks" and adaptive practice system. The AI assesses student understanding and provides personalized recommendations, adjusting difficulty levels and suggesting relevant resources. This adaptive approach helps students master concepts at their own pace, making learning more efficient and targeted.
Topics & Tags
🌍Global👨🎓Students🎯Studying📚General
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