Gradebook

mm, if you do backup/restore to as new course, or by deleting first - they will stay in tact, since everything will simply copy over. If you would do Import, or Restore by adding data, then the grade info will need to be fixed, but it would be true even without those automatic numbers.

yes, second one is true , though I think that automatic numbers will still save more time here, compare to the later need to re-adjust the formula