How do I add CK-12 Assigments to my Canvas class?

How to download and create CK-12 Assignments:

1. Click on the course Assignments tab in navigation pane
2. On the Assignments page, click the blue button +Assignments
3. Name the assignment
4. Scroll down to the Submission Type box in the middle of the Edit page.
5. Select External Tool
6. In the Enter or find and External Tool URL field, click on the Find button
7. Scroll to CK-12
8. Once the external tool launches, select the topic (e.g., Trigonometry)
9. Select the subtopic (e.g., Polar System and Complex Numbers)
10. Select the lesson (e.g., Intersections of Polar Curves)
11. Click Add
12. Click Select
13. Finish any other editing you want and click Save or Save and Publish