This learning module reviews basic mathematics operations involving fractions and decimals and explains the use of the percent wheel in solving percent problems. The module, which was developed for use in a course of six 2-hour sessions for hospital employees working in the environmental services and nutritional services departments, is intended to enhance basic math skills and develop reasoning and problem-solving skills. It consists of a series of session outlines and activities in which students are asked to use workplace- or home-related situations to set up word problems involving fractions, decimals, or percents. The following topics are covered in the sessions: estimating/rounding, problem solving, operations involving fractions, fraction word problems, decimal skills and decimal word problems, and percent skills and percent word problems. Each session guide includes some or all of the following: objective, list of required materials, instructor's notes pertaining to the session learning activities, session introduction, instructional text, and one or more learning activities. Concluding the module is an answer key. (MN)