Hi Nana,
I just registered with this site and noticed your post almost immediately. I suck at numbers too! I can sign them (I think... ish...) but I panic when I see someone sign them ("F...oh no that was a 9... and now I've missed the rest of them").
So yeah, I need practice.
Not sure how that works on this site, do we use the chat rooms?
I just tried that Record Video button and got you eight seconds of black screen so that'll need work 🙂