Practices & Quizzes
Mobile Practice App
CK-12 Implementation Models
Simulations & PLIX
Copyright, Licensing & Attribution
- Who Owns the FlexBook® Textbook I Create? What Are My Rights as a Creator?
- How to Attribute FlexBook® Textbook Content Under the CK-12 Curriculum License
- Can I Add Copyrighted Material in My FlexBook® Textbook?
- Who Is the Author of My FlexBook® Textbook?
- How to Obtain Permission to Use CK-12's Images
- How to Cancel Your CK-12 Account
- How to Change or Reset your CK-12 Password.
- Email Notifications
- Student Privacy Pledge
- How to Update Account Information
- How to Sign in with a CK-12 Username Instead of an Email Address
CK-12 Resource Bookmarklet
Troubleshooting & System Requirements
- Troubleshooting Checklist
- Is My Browser Supported?
- My page is slow to load or stuck on loading
- How to enable cookies
- I Can't Sign in to CK-12 with My Login Credentials
- Videos Are Not Playing on My Windows Device