Art is a great motivator to get less textually oriented students involved in class. Have students compare the two different portraits of Yitro's visit as an entree into chapter 18 and some of the questions the chapter raises. For details, see Yitro's Arrival in Art.
Write on the board:
"Ralbag claims that due to Moshe's deep spirituality he would often err in mundane matters, and did not have good administrative skills. Do you agree?"