Post to other pages

I am the only poster to my site. When first designed it had only 1 page. I have now added other pages and want to be able to add posts to each page but the post screen does not seem to have an option to select the page where I want the post to appear. I am using LiasBlueWorld theme.

Can I give each page a category and assign each post a category and have it posted to correct page? Is there some other way that I am missing?

I want to move the original posts to a subordinate page and the parent (home) page to be more generic. See it here:
http://www.jmdouglass.com/forex_review/