CK-12 FOUNDATION

          CK12Foundation  is a California-based non-profit organization and created in 2007. The mission of this website is to reduce the cost and increase the access to K-12 education not only in the United States but also the worldwide. The letter “C” in the title stands for “connect”. There are five contents on the homepage. The first three are dashboard, group and library. They shows few functions of this website for people. Students can join and educators can set up a study groups at the group content.  People also can save their study material in one place on this website. At the Cafe content, students and educators can ask questions, help other people and share information.  Browse is my favorite content. It haves Math, Science, English and More. In the math part, it has grade 1-5, arithmetic, measurement, algebra, geometry, probability, statistics, trigonometry, analysis and calculus. At the science part, it has grade K-5, earth science, life science, physical science, biology, chemistry and physics. There are writing and spelling at the English part. At the more part, it has engineering, technology, astronomy, history and health. At each subject, it has videos for people to watch. Educators can use this website to create study groups for their classes, and create their own teaching contents.  Students can discuss, ask question and study on this website. It is FREE!!!