EASY (IER) KANJI - JLPT 4 KYUU

Don't be shocked at the number of pronunciations (actually there are more!), the best one to remember is ue. That is the most commonly used.

1) jou, 2) ue - top, above, on 3) a(geru) - to raise a(garu) - to rise 4) nobo(ru) - to go up

机の上 tsukue no ue - on (the) desk [lit. desk's above]
上手 jou zu - to be good at something [lit upper hand]
年上 toshi ue - older, old (in years)