Tools and Apps

 Powered by FlexBook® Platform

FlexBook Online & Offline Access

With the free CK-12 FlexBook® app for smartphones and tablets, users have the power to read the entire collection of CK-12 FlexBook® textbooks anytime, anywhere,
even without connectivity.

Physics Simulations App

The Free and Fun Way To Learn Physics Concepts.

CK-12 Practice App

Available for iPhone, iPad, and Android devices
100,000 adaptive practice questions, personalized recommendations, simple dashboard.
Get started today.

Google Classroom

Google Classroom

Teachers and students will be able to access our entire library of content in conjunction with the Google Classroom platform.

Edmodo Math and Science Practice Apps

Edmodo Math and Science Practice Apps

CK-12 Math Practice and CK-12 Science Practice offer free, standards-aligned practice that integrates into your Edmodo gradebook.

CK-12 on Schoology

CK-12 on Schoology

Administrators and teachers using Schoology learning management system can now easily create assignments in Schoology using content from CK-12 and assign it to students.

CK-12 on Canvas

CK-12 on Canvas

Administrators and teachers using Canvas learning management system can now easily create assignments in Canvas using content from CK-12 and assign it to students.

CK-12 on Blackboard

CK-12 on Blackboard

CK-12 on Nearpod

CK-12 on Nearpod

Chrome Extension

Chrome Extension

Install CK-12 for Google Chrome and access the website with one-click.

CK-12 Windows 8 App

CK-12 Windows 8 App

Launch CK-12 with one click on your Windows device.

CK-12 on Clever

CK-12 on Clever

Launch CK-12 with one click on your Windows device.

Add to CK-12 Button

Add to CK-12 Button

Add articles, videos, and web links to your CK-12 Library from your browser.

Add to CK-12

Drag Me

Drag this button to your browser toolbar.

*Only available on tablets and computers.