Okay so I'm making plans with 2 of my friends to go to the mall. Were just going to go there and chill for a while. I've never been good at picking up girls and my friend always tells me it just takes confidence. So I want to find a random girl that looks attractive go up to her and just be straight forward like. "Hi, you seem like a really cool person I was wondering if you wanted to hangout with me and my friends". If she says yes I plan on just asking her questions about herself and pretend like im interested and then at the end Ill ask for her number and text her the next day. Good Plan?

NO! That sounds like a terrible plan and a terrible opener. For one, go to the mall with the mindset of JUST having fun with ur friends. And your opener? You gotta be a pimp man... N that opener is just set up for rejection. You didnt say anything to "hook" her attention, n then u wanna ask her out on an instadate? i wish things worked like that. You have to be cocky and funny, here, this is the opener i use to use at malls:

"hey ladies, ur lookin nice today, anyways i'm hangin with some friends n i just lost a bet. N now since i lost i have to hit on the hottest girl here..........(wait for it n as soon as there about to say somethin)....... Would u ladies mind helping me find her?"

it doesnt have to be as long or anything like that, make it ur own but good luck mannie fresh

_________________
Why ask for permission when you can ask for forgiveness?

Yeah this is a bad plan. During the day it is always best to go direct. Even something really simple like:

Excuse me, I just saw you walking past, and I had to come tell you that you look
absolutely gorgeous.

Just be honest, pick something that you really like about her to even if its something again simple like her look or style then throw in a time constraint of some sort, you are going with a friend so thats perfect. Make lots and lots of statements even if they are just ridiculous like you strike me as a ninjutsu instructor. Also never ask for a number just stick your phone in her hand if its going well. But make sure that you have some plan to meet her, something along the lines of "I know this great bla bla bla" as you give her the phone. Just be really matter of fact about it.

Although you are going to have a LOT of fun stopping moving women! Be prepared to almost crash into a couple.