I think "five-and-twenty past" is the usual way round it was said in England up to about 1900. I've known a few people who still do say it -- mostly older country people in southern England. It does go quite well with the slower rhythmic pattern of that kind of country dialect speech, compared with the townie machine-gun rattle of "twentyfivepast".
I don't know about the other phrases. Presumably Ada was her own name? If so, it looks like a little witty phrase, likening the action of getting up to making a small adjustment in elevation.
Presumably the other one is referring to the difference between polite society and a traditional boarding house, where many strangers would eat around a single table -- no doubt politely asking to be passed things was then a secondary consideration to sheer refuelling after a day's work. She'd perhaps have meant it as a slightly self-deprecating apology for reaching.
Did she have any more phrases? She sounds an interesting person to have known.