Teaching the evaluation of information resources can be daunting for both students and educators. In an information environment in which resource types are ever-changing, how does the school librarian assess the evaluative skills of students? The assessments ought to reflect the malleable nature of online resources. To engage students in a formative process of evaluating and using dynamic information resources, this author is experimenting with instruction and assessments that relate to performance tasks. This article illustrates how he developed a sports project to revitalize fourth-grade reading and writing, and to introduce deeper research skills. The author stresses that in assessing student performance, school librarians are looking for an approximation of the resource evaluation skill set as these skills have been worked into this particular project.