CK-12 is an app to help students, and teachers improve K-12 learning globally by providing self-pace learning content & tools.
CK-12 is an app to help students, teachers and parents improve K-12 learning globally. Learn at your own pace and in your own style! (videos, images, interactive objects, etc)
Currently (and constantly expanding) units include:
Algebra, Geometry, Arithmetic, Measurement, Probability, Calculus, Statistics, Trigonometry
Biology, Chemistry, Physics, Earth Science, Life Sciences
History, English, Technology, Engineering