This study presents two aitical cases illustrating distinct patterns in teachers use of literacy strategies in secondary mathematics casses. The cases are part of a profession development project designed to enhance teachers pedagogical skills by developing content literacystrategies for use in secondary mathematics and science classrooms Teachers beliefs about teaching mathematics, their uses of writing and vocabulary development stiateges, and goals for student leaming were examined via interviews, classroom observations, reflections on teaching, and teacher posts to an onli discussion forum. Results show patterns of literacy strategy use were related to teachers views of pedagogy and of mathematics Ned, who held a procedural approach to teaching mathematics, used strategies asarehearsal toolto suppotremembeing correct ideas, fact, and procedures Christine, with a conceptual approach to teaching, used literacy strategies as a tool to support deepening and reorganizing student understanding of mathematical concepts and relationships[ABSTRACT FROM AUTHORI