Lynn,
So you set the page numbers to start with 0 in the page setup dialog?
Do you have a title master? If not, create one, View - Master - Insert Title
master (second button from the left on the Master toolbar). On the title
master, delete the numbering placeholder. That should do it. Your first
(title slide will have no number visible) your second slide will have number
1.
If you do not want to create a title master, just go to View - headers and
footers - put a check next to do not show on title slide at the bottom of
the Header and footer dialogue. Which should give the same result.