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
Extore is a team of professionals who are passionate about creating extensions for web browsers. This devotion also gives us opportunity to appreciate work of other people. We get inspired by useful, open source extensions made by developers all over the world. Our strong belief is that one should share helpful add-ons with others. That’s why we’d like to present you our ever-growing list of favourite extensions that have inspired us. Moreover, as you probably have already learned, sometimes struggling for the best brings an end to the good. Talking about add-ons it often turns out that an upgrade is worse then previous version. Also it can become really tricky to get back to the beloved version of your favourite extension. That’s why we’re going to make not only the latest, but all versions of our favourite (and we hope yours too) add-ons available for download. No more compromises, just stick to the version you really like!
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