CK-12 Educational app

CK-12 is a non-profit educational platform that provides free STEM content for K-12 students and teachers worldwide. The app features over 5000+ math and science lessons and concepts, and yes, everything on the app and website is 100% free.

CK-12 covers a wide range of subjects including Elementary Math, Advanced Mathematics (Algebra, Geometry, Calculus), Sciences (Earth Science, Life Science, Physical Science, Biology, Chemistry, Physics), and English. All content is aligned with CCSS, NGSS, and all 50 individual state standards.

Teachers can use CK-12 to manage classes online through groups, create and assign practice exercises to students, track student progress, and access customizable curriculum content. The platform integrates with various learning management systems like Google Classroom, Schoology, and Canvas.

CK-12 offers interactive features including digital FlexBooks, adaptive practice exercises, simulations, videos, concept maps, and personalized learning paths. The app uses adaptive learning technology to adjust difficulty levels based on student performance and provides real-time feedback.

Yes, CK-12 can be accessed through mobile devices (phones and tablets) and web browsers. The app is available for both Android and iOS platforms, allowing students to learn anytime, anywhere.

All content on CK-12 is created and curated by teachers for students. The platform ensures high-quality STEM content that is vetted by education professionals and aligned with educational standards.