Blog Homepage reading

I have 13 posts on my home blog page and would like to direct readers to view my other blog posts by using numbers or the word "next" at bottom instead of the word "previous". Is this possible to change so I can change my number of posts to say 8 instead of 10 and direct people to next page or numbered page at bottoms to see other posts. Don't like the word previous on homepage at bottom. www.adventuresd.com Thanks, Ben