Broody hen, need some beginner help

We have 5 hens that are 13 months old. I am pretty sure 1 of them is broody. So, I need some basic beginner help. I would like to get some eggs to have her sit on and yes I know they should be fertile ;). How many should I get? Do I just slip them under her? Do I move her or leave her and then move her once they start hatching? Any other advice would be appreciated.

Thanks! She is a Buff Orpington and pretty big. I am thinking I may go buy 6 eggs tomorrow. I have searched and I think I found most of the info that I need. Our coop has 5 hens with 3 nest boxes in the hen house. If she does hatch some chicks can I leave them in there with the other hens or do I need to take them out? Last year we bought a Silkie and they killed her. I now know that I shouldn't have bought a smaller hen and not only 1. So will the chicks be ok in there?

Well, I'm not quite sure yet. We are almost at coop capacity right now. So either my hubby builds another coop, which is unlikely, or we give all the chicks away, but keep 1 rooster. My parents have been talking about getting chickens, so this may be their push.
 

Quote:

Originally Posted by Happy Chooks 

http://www.backyardchickens.com/t/658988/new-broody-i-am-thrilled-lay-some-wisdom-on-me-please/0_50#post_8895933

Thanks!

We bought and set 10 eggs under her and she pushed 1 out right away. So, as of right now today is day 2 and she has 9 eggs. We'll see what happens. Hopefully we have baby chicks in a few weeks.