Everyone

Getting Started

• How to Search for CK-12 Content
• Overview of the CK-12 Concept Page

Groups

• How to Remove a Member from a Group
• How to Share Content with a Group
• Managing Email Notifications
• How to Use Q&A for Group Discussions
• Best Practices for Answering in Q&A
• Best Practices for Obtaining a Response in Q&A

FlexBook® Textbooks

• What Is a FlexBook® Textbook?
• Overview of the Different FlexBooks® Available
• Do FlexBook® Textbooks Adhere to State and National K-12 Standards?
• How to Download a FlexBook® Textbook or Read Modality

Practices & Quizzes

• Practice vs. Quizzes
• Practice Overview
• My Quizzes Overview
• Which Concepts Have Practice Activities?
• How do students complete a concept?

Using the CK-12 Cafe

• Cafe Guidelines
• Cafe Overview
• Discussion Settings
• How to Follow/Unfollow or Share a Discussion
• Starting a New Thread
• Answering and Commenting

FlexBook App

• I upgraded my FlexBook app and lost the books I had previously downloaded. Why?
• Using the FlexBook® Reader on Your Desktop
• Finding FlexBooks
• Downloading for Offline Reading
• Where can I find my downloaded books?
• How to Delete FlexBooks from Your Offline Library

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Mobile Practice App

• Is My Android Device Supported?
• Getting Started on Android Devices
• Getting Started on Apple Devices
• Challenge Mode Overview
• Accessing the CK-12 User Settings

Content

• How to Find Grade-specific Content
• How to Find Standards Aligned Content
• How to Report Content Errors
• How to Rate Content

CK-12 Implementation Models

• CK-12 FlexBook® as Textbook Replacement
• CK-12 for Differentiated Learning
• CK-12 for Student Self-Study
• CK-12 as a Skills Builder
• CK-12 for Extra Credit

Simulations & PLIX

• Simulations App for Tablets
• Getting Started with Simulations
• About CK-12 PLIX

Copyright, Licensing & Attribution

• Who Owns the FlexBook® Textbook I Create? What Are My Rights as a Creator?
• Attribution to CK-12 Overview
• How to Attribute FlexBook® Textbook Content Under the CC BY-NC 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

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General FAQ

• How to Update Account Information
• How to Sign in with a CK-12 Username Instead of an Email Address
• How Is CK-12 Different from Other K-12 Resources?
• Does CK-12 Provide K-5 Materials?
• Content in Languages Other Than English
• What Does The "C" in CK-12 Stand For?

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Braingenie

• How to enter math operators in your practices
• Getting Started with Braingenie
• How to Report a Question Error
• How to Reset Your Password

CK-12 Resource Bookmarklet

• CK-12 Resource Bookmarklet Overview
• Compatible Content Types
• Which Websites Require Manual Embed Code Entry?

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
• I Can't Access the CK-12 Site

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