NCTM is launching a new practitioner journal, Mathematics Teacher: Learning and Teaching PK-12 (MTLT), in January 2020. The new journal reflects the current practices of mathematics education, as well as maintaining a knowledge base of practice and policy in looking at the future of the field. Content is aimed at the grades from preschool to 12th grade with peer-reviewed and invited articles. RUSMP will be featured in the inaugural issue.