Your students have finished their test and missed a few problems. Have they really learned from their mistakes, though? Probably not. Have them complete an Error Analysis so that students do not make the same mistake twice and they learn to mastery.
This document provides a space for students to write which question they missed, space to complete it again, and space to reflect why they missed it in the first place. You can also require students to take this Error Analysis home and get it signed by a parent/guardian.