Khan Academy is a non-profit educational organization that offers short lessons in the form of instructional videos, and is free of charge.
Khan Academy offers content varying from Math or Computing to Science & Engineering. The content exists of small (pencast style) videos that explain specific concepts in a clear way.
Here's an example video:
You can use Khan Academy content in your Canvas course by embedding URLs of Khan Academy videos (hosted on Youtube), or you can link directly to a specific lesson or exercise of the Khan Academy Website in which students are redirected from the LMS to khanacademy.org.
If you have any questions or would like to know more you can contact us at firstname.lastname@example.org.