"Google Classroom makes it easier to use Google Apps with younger grades. Create a copy of the templates below, adjust the title and make tweaks to the template to suit your learning objective. In Google Classroom create an assignment and click on the Google Drive icon to add the template. Change the default from "Students can view the file" to "Make a copy for each student."
Alice Keeler has so many great ideas, it's hard to keep up! Check her site for many more useful tweaks.