CK-12 Foundation is a non-profit organization dedicated to increasing access to high-quality educational materials for K-12 students all over the world. The platform offers a wide range of free, customizable, and interactive resources including textbooks, videos, exercises, and simulations across various subjects.
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4.5 pages per visit
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Customizable, standards-aligned, free digital textbooks for K-12 education.
Engaging simulations to help students understand complex concepts in science and math.
A wide range of practice exercises with instant feedback to reinforce learning.
Personalized practice that adapts to the student's learning pace and level.
Play, Learn, Interact, and eXplore - interactive learning modules for deeper understanding.
Comprehensive study guides to help students prepare for exams.
Educational videos covering a wide range of topics to supplement learning.
Tools and resources for teachers to create, customize, and manage classroom content.
A personalized dashboard for students to track their progress and access resources.
Access CK-12 resources on the go with the mobile app available for iOS and Android.
To provide free and open access to quality education for everyone, everywhere.
CK-12 resources are used by millions of students and teachers in over 140 countries.
CK-12 collaborates with educators, institutions, and organizations worldwide to enhance and expand its offerings.
CK-12 has received numerous awards for its innovative approach to education and commitment to open educational resources.
Utilizes cutting-edge technology to deliver personalized learning experiences and to make education more accessible.
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