New teacher 3rd grade as classroom just opened up. Numerous classrooms I've been in use student numbers. I always thought it was a good idea to have student numbers but after I thought about it, does it really save a lot of time inputting grades? I mean it takes time to put student work in number order as well. Are you assigning student numbers based on alphabetical first or last names? or some other basis? I have my grade sheet on Excel and I have it listed alphabetically from 1st name so thought I'd assign numbers based on first names.