CK-12

CK-12 is an app to help students, and teachers improve K-12 learning globally by providing self-pace learning content & tools.Learn over 5,000 math and science concepts at your own pace and in your own style! (videos, assessments, interactive objects, etc)

- Math subjects include: Arithmetic, Measurement, Algebra, Geometry, Probability, Statistics, Trigonometry, Analysis, and Calculus
- Science subjects include: Earth Science, Life Science, Physical Science, Biology, Chemistry, and Physics
- Other subjects include: SAT Exam Prep., Engineering, Technology, Astronomy, English, and History

Features:
-Access Common Core and State Standards aligned content (digital textbooks and concepts).
-Browse, learn and practice (or teach) over 5000+ concepts using multiple modalities (text, videos, quizzes, flashcards and more).
-Manage your class online through groups.
-Assign practice to students and track their progress.
-Everything on our app and website is always 100% Free.

CK-12 Foundation is a non-profit that creates and curates high quality STEM content for students and teachers around the world.

Access the full CK-12 website at https://www.ck12.org.

Connect with us:
Google +: https://plus.google.com/+Ck12Org
Twitter: https://twitter.com/CK12Foundation
Facebook: https://www.facebook.com/CK12Foundation