Where online can I find Free Dungeons and Dragons maps.?

Question

I have the Core Rulebook I v. 3.5 and I need maps to start playing.

Answer 1

To play? All you need is that one book. If you want to DM, you'll need Core Rulebook II and III (the DMG and Monster Manual).

As for maps, either make your own, or buy premade modules. It's a LOT easier that way.