I absolutely hate erasing entries in my gradebook; it always looks so messy. I use a coding system, so I constantly was forced to erase entries. I designed a gradebook that fit my needs. It includes two columns: one for the code and one for the actual grade. The coding system allows me to keep track of whether or not an assignment was turned in on time.
This download includes two printable gradebook pages: one for everyday assignments and one for checking in essays. It also includes a student roster sheet that can be cut out and held/taped next to your gradebook pages, so you don’t need to keep re-writing student names on each gradebook page.