Everyone

Getting Started

• How to Search for CK-12 Content
• How to Bookmark Flexi to Your Home Screen

FlexBook® Textbooks

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

Practices & Quizzes

• Practice vs. Quizzes
• Practice Overview
• Quizzes Overview

FlexBook App

• Discontinuation of FlexBook App - July 1, 2019
• Using the FlexBook® Reader on Your Desktop

Mobile Practice App

• Discontinuation of Practice App - July 1, 2019

Content

• Discontinuation of CK-12 Café - July 31, 2022
• 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

• Discontinuation of Simulations App for Tablets - July 1, 2019
• Getting Started with Simulations
• About CK-12 PLIX

Copyright, Licensing & Attribution

• Why did CK-12 update the Terms of Use and change to a CK-12 Curriculum Materials License?
• 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

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General FAQ

• 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

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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
• Videos Are Not Playing on My Windows Device

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