This video will show you how to make your worksheets editable in google slides without the students being able to delete your questions.
You can also just take a picture of the worksheets and upload them as backgrounds like the video shows for digital worksheets.
How to make drag and drop activities in Google slides
This video will show you how to make a drag and drop activity in google slides without the students being able to move anything other than the images you want them to drag and drop.
It also shows you how to assign it and what it looks like from the student's google classroom.