This teacher's guide explains the content and scope of a 30-booklet series of instructional booklets that provide various special needs students with the opportunity to explore a career and practice math skills simultaneously. The introductory section explains the way in which the series, entitled Math on the Job, will benefit high school students with the following disabilities: mental retardation, learning disabilities, and serious emotional disturbances. The second and third sections outline the scope of the series and provide guidelines for its use. Next, a math competency matrix is presented and explained. A list of suggested enrichment activities concludes the guide. (MN)