A common educational assumption is that coherence is a pre-requisite for a "good" curriculum. Indeed, in mathematics education this perspective has persisted both nationally and internationally as a foundational principle for curriculum design, reform, and evaluation. While curricular coherence is often unquestioningly accepted as…

It is common for students to make mistakes while solving mathematical problems. Some of these mistakes might be caused by the false ideas, or misconceptions, that students developed during their learning or from their practice. Calculus courses at the undergraduate level are mandatory for several majors. The introductory course of…

U.S. society perceived some Asian immigrants as a model minority, even assuming that Asian students would be good at mathematics. However, the narratives and experiences of Korean immigrant parents and their children were not discussed in these perspectives. The purpose of this study is to understand the interactions and reasoning of Korean…

This dissertation has seven chapters. In chapter one, I discuss through why I am doing this dissertation, my positionality, and how I learned from and with all of my committee members. Chapter two is where I situate my dissertation study through developing a social theory of quantitative literacy by translating a social theory of literacy (Barton…

Creekside High School is a high-performing public high school where students who are not White or Asian face a racialized school environment. This dissertation examines the school's initiative to detrack its ninth grade Algebra class. Detracking is the process of placing students in heterogeneous classes instead of grouping students by ability.…

The Carnegie Learning Cognitive Tutor curricula are based on cognitive models, which include a representation of the learner's thinking, strategies, and misconceptions. The Cognitive Tutor curricula typically speed up learning and yield greater learning as compared to traditional math curricula (Morgan & Ritter, 2002; Sarkis, 2004; Koedinger,…