CK-12
CK-12 is an app to help students, and teachers improve K-12 learning globally by providing self-pace learning content & tools.
CK-12 Chrome Extension - Transformative K-12 Learning Tools
CK-12 is a distinctive Chrome extension that offers over 5,000 math and science concepts to facilitate self-pace learning for students and teachers globally. It covers a vast range of subjects and offers various learning methods including videos, assessments, and interactive objects. In addition, it allows online class management via groups, assignment of practices to students, and tracking their progress. CK-12 is completely free and maintained by a non-profit organization aiming at improving STEM education worldwide.
Extension stats
Risk impact: Very low risk impact 
Risk likelihood:
Manifest version: 2
Size: 12.02K
Email: we*****@ck12.org
URLs: Website
Ranking
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Not available on Android
Not available on Firefox
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Extension summary
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.
See moreUser reviews
These summaries are automatically generated weekly using AI based on recent user reviews.
Chrome Web Store does not verify user reviews, so some user reviews may be inaccurate,
spammy, or outdated. Pros
- Great free online platform covering a wide range of material
- Useful resource for both students and teachers
- Supports teachers in creating a paperless classroom
- Assessment features are helpful for guiding students
- High-quality videos and lesson review questions
Cons
- Cannot download content
- Requires internet connection for most content
- No downloadable grade book available
- Content is not differentiated for below-grade-level readers
- Not available in multiple languages
Most mentioned
- Great tool for education
- Surprisingly useful and free
- Helpful for transitioning away from textbooks
- Positive feedback on the app's effectiveness
- Encouragement to maintain quality
User reviews
THE BEST OF THE BEST I DONT HAVE TO GO TO SCHOOL YEAAAAAAAAAAAA
by 
duckyrice (duckyrice), 2023-05-16
duckyrice (duckyrice), 2023-05-16well i am really suprised acctually, i love the idea. and for a free online platform covering what i would view to be a great sum of material is just awesome, i am slighly disapointed that you can't download content and for the most part you need to be connected to the internet. at least to my knolage but overal i am very please with what ck-12 has offered. all in all i think for what it is i recomend it
by 
Robyn Crosby, 2022-12-12
Robyn Crosby, 2022-12-12Makes me mad
by 
Deserae Puckett, 2020-08-25
Deserae Puckett, 2020-08-25Extension safety
Risk impact
CK-12 does not require any sensitive permissions.
Risk likelihood
CK-12 has earned a good reputation and can be trusted.
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