Hey Carrie,
If you have your website indexed on Google, all you need to do is submit an XML Sitemap to your Google webmasters account. This should do the trick.
Also, make sure that all the links on your website are working properly. Mend any broken links.
It can also happen that all your pages are indexed in Google but are not "showing up". Google sometimes does that.
Read more on this kind of stuff at my Online SEO Blog