This PDF download, which the buyer can request via Google Docs after purchase, is great practice for students' understanding of the ins and outs of the PPC. This is enough to give students practice without creating disengagement and works well for a college prep or AP level economics course.
Students learn how to graph a PPC (aka a PPF), how opportunity cost is illustrated on the curve, an how the curve can shift left or right.
Answer key is included. Preview shows first page of document.