If you want to help your students stay accountable when you are out, you might want to try using these resources. I find that when my students know it's "business as usual" even when I'm not there, they will treat my sub with respect and get their work done.
The files in this post were all taken from the e-book called "Teacher Survival: Templates and Forms". The first linked forms are found in Part 3. The second forms linked above are found in Part 1. Visit my store to see the entire file.