This site from Tex's French Grammar is a great, succinct lesson on Pronominal (reflexive, idiomatic & reciprocal) verbs. Site has short, very usable written and auditory examples and dialogues which can be used for listening...

In this lesson, learn how to divide fractions using the shortcut of reciprocal numbers which is shown in the accompanying video. [10:31] The lesson also includes practice problems and many word problems.