Your best friend as a beginner... other than all the friends you will make here... is Google and YouTube. Just go and search on "wedging clay" and you will have access to how all the people of the world approaches wedging. I got 190,000 internet links to wedging and 5390 on line videos on how people do it.
Just Pick the one that works for you. There is no right or wrong way . ceramics has been around for millennia and every aspect is still evolving.
To begin with, just use the clay out of the bag. When you develop scrap that you will want to re-use then you MUST wedge it to get the air out.