This is by far the easiest way to grade homework thus far. I can't believe I didn't think of this sooner. I differentiate my homework by approaching, on level, and beyond. I made it super easy to identify the levels without making it uncomfortable or embarrassing for students by using different animals. Better than that, I now have students answer all their questions including the writing right on the front of their packets! This has made grading them soooo much easier. I love this! Enjoy!