https://intercom.help/writable/en/articles/3996551-how-do-students-turn-in-writable-assignments-to-google-classroom
How do students turn in Writable assignments to Google Classroom? | Writable Help Center
When students turn in their writing in the Writable assignment it will automatically turn in the assignment on Google Classroom.
google classroom helpstudentsturnassignmentscenter
https://support.google.com/googleplay/answer/12417564?hl=en-GB&ref_topic=6203583
Share books from Play Books with students through Google Classroom - Google Play Help
Teachers can share books from Google Play Books with students through Google Classroom. When teachers share a book, students can: Read the book on a computer,...
google classroom helpsharebooksplaystudents