A multiphase lesson on selling T-shirts guides students from single-variable equations to linear relationships.
Connie Colton, firstname.lastname@example.org, teaches seventh- and eighth-grade mathematics at McMillan Magnet Center in Omaha, Nebraska. She is interested in developing students' mathematical habits of mind and encouraging productive communication and connections among representations. Wendy M. Smith, email@example.com, is a mathematics education researcher at the University of Nebraska-Lincoln and a former middle school mathematics teacher. She is interested in developing teachers' and students' mathematical habits of mind to improve student success.