Google Classroom Reuse Assignments or Other Posts
Google Classroom will allow you to save time by re-using your assignments, announcements or other posts. Repost to the original class or a completely different Google Class or Sandbox.
In Google Classroom, select the class and click the Classwork menu. Hover over the Create button and click Reuse post
Next select that class that has the post you wish to reuse for another class and select the assignment, post or announcement and click Reuse
Finally you will change / update any information and add or delete attachments. Before reposting, choose an option:
Save the post for later. Click to Down arrow and select Save draft
Reuse an assignment—Click Assign
Reuse an announcement—Click Post