This unit on integers includes a pre-test, a post-test, four spreadsheets, and links to an interactive web-site to support the learning of integer operations. Access to computers and the Internet are imperative to this unit. The lessons are self-paced and your learners can progress at their own speed. It is well worth it to take a look at this unit. Let your learners take responsibility in learning the content, rather than giving direct instruction all the time.