User friendly intro to microeconomics materials

[ckafrica]

Hey all

One of my teaching colleagues has disappeared (literally, which is not that uncommon in this part of the world) and his intro to micro-economics classes has fallen onto my lap. While I get the concepts enough to explain them, I'm not an expert at teaching it and all the supplemental resources we've accrued over the past 2 years have disappeared with him. Does anyone know where I can get some good printable materials or online practice examples for free? Most of the students are brand new to these concepts (even how lines shift on a supply and demand graph is tricky for some of them) and are Vietnamese with fairly varied levels of English so basic is good. My searching has yet to find anything that is ideal.

Thanks