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Zandieh, Michelle; Wawro, Megan; Rasmussen, Chris – PRIMUS, 2017

In this paper we address practical questions such as: How do symbols appear and evolve in an inquiry-oriented classroom? How can an instructor connect students with traditional notation and vocabulary without undermining their sense of ownership of the material? We tender an example from linear algebra that highlights the roles of the instructor…

Descriptors: Algebra, Mathematics, Mathematics Instruction, Mathematics Education

Wawro, Megan; Rasmussen, Chris; Zandieh, Michelle; Sweeney, George Franklin; Larson, Christine – PRIMUS, 2012

In this paper we present an innovative instructional sequence for an introductory linear algebra course that supports students' reinvention of the concepts of span, linear dependence, and linear independence. Referred to as the Magic Carpet Ride sequence, the problems begin with an imaginary scenario that allows students to build rich imagery and…

Descriptors: Algebra, Definitions, College Mathematics, Mathematics Instruction