any CNA's on here?

I just enrolled in a CNA course and am so excited to get my career started with nursing! But I'm also terrified at the same time! I'm scared about flunking out, I've always had problems with math...like I can't really multiply or divide unless it's easy and like adding and subtracting im okay at but I'm scared to death I'm gonna flunk out on any of the math parts...
Could you tell me what the CNA courses are like? Is it a lot of math? I'm just looking for a general idea of what all goes on, I know every class is different but I figured it wouldn't hurt to ask. I know I can do it and am praying I will do fine it still just nerve wracking 
No negative comments please!