This manual contains information regarding the administration of the Oregon Statewide Assessment Program's tests in writing and mathematics problem-solving. Parts of the manual address (1) background and preparation for testing; (2) administering the writing assessment; (3) administering the mathematics problem-solving assessment; (4) local rater option; (5) returning materials; (6) guidelines for including students in testing; and (7) additional questions or information. A chart listing types of adaptations, standard administration allowable accommodations, and administrations with modifications; a sample of a completed classroom information sheet; the writing assessment official scoring guide; and the mathematics problem-solving assessment official scoring guide are attached. (RS)