if you're "newbies", the boatyard can suggest an itinerary for you - but just taking on board Chris's suggestions (which are all good) -
you'll probably get to wroxham on your 2nd/3rd day which, if you start at the weekend and "tourist" a bit will position you to be in acle on Thursday.
Yarmouth is a long way to go in a week, but you could pop down by train from Acle thursday afternoon. This will leave you all day friday to get back to stalham.
a feature of living in the area is the local paper, the EDP's, reports of speeding fines handed out to over-enthusiastic boaters - ensure you observe the speed limits....