The Google Lti external tool allows for seemles integration of Canvas and the Google workspace. Teachers can choose any document or slides from their Google Drive that they want the students to complete and use the external tool feature to provide each student with their own copy of the document. 

Canvas allows users to link their Google Drive accounts to their Canvas profiles. This enables users to easily embed Google Docs, Sheets, Slides, or other Google Drive files within Canvas pages, discussions, or assignments. Instructors can use this integration to share study materials or assignments stored in Google Drive with their students.