You could do it either way!
The CM Organizer doesn’t currently keep track of terms, so you could schedule all 180 lessons and then you’ll have the freedom to move through it at whatever pace actually happens. So if you don’t quite finish all 60 of the Term 1 lessons this term, the unfinished lessons will be on your schedule for the next term.
Or, if you want to divide into terms, you could just schedule the first 60 lessons, then for Term 2 you can schedule the next 60, and so on. If you do it that way, the CM Organizer will combine all the lessons into a single resource on your reports.
Does that help?