Biography
Dr. Dahlgren is an education researcher and a mathematics teacher educator. Broadly speaking, his work lies at the intersection of mathematics content, teaching, and issues of justice. His doctoral dissertation grappled with how particular conceptualizations of mathematical proof might reproduce harmful narratives about students, and about the nature of mathematics. He has also written about Specialized Content Knowledge for teaching mathematics, and about teacher educators’ understanding of Mathematical Knowledge for Teaching. His current research investigates how acknowledging competence in mathematics class can simultaneously be an act which facilitates participation and fosters students’ sense of belonging. Prior to arriving at Marian, he completed his PhD at University of Michigan, where he was a member of the Mathematics Teaching and Learning to Teach Project.
In addition to his doctorate in mathematics education, Dr. Dahlgren holds a bachelor’s degree in mathematics from Rice University, and a master’s degree in pure mathematics from the University of New Mexico. He has taught a wide variety of mathematics courses in various higher education settings and was also a middle school and high school math teacher for a number of years in Phoenix, Arizona.
When Dr. Dahlgren is not teaching or doing research, he enjoys reading speculative fiction, playing with his young daughters, and cooking Mexican food.
Courses Taught:
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MAT-130
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MAT-145
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MAT-231
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MAT-115
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MAT-116
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MAT-117
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EDU-320
Research Interests:
- Specialized Content Knowledge
- Issues of Equity and Justice in Mathematics Teaching
- Mathematics Teacher Education
- Teaching of Mathematical Proof
Publications:
- Dahlgren, M. (in press). Perspectives on mathematics matter for teaching. In R. Lambert, M. Gholson, & C. Munter (Eds.), What Works for What Matters in Math Education. Corwin Press.
- Dahlgren, M., (2024). Toward a Practical, Intellectually Honest, and Humanizing Conceptualization of Proof. [Doctoral dissertation, University of Michigan]. ProQuest Dissertations & Theses, 2024.
- Hoover, M., Dahlgren, M., Mosvold, R., & Goffney, I. (2023). Conceptions of teaching and justice as pivotal to mathematics teacher educators’ thinking about mathematical knowledge for teaching. Journal of Mathematics Teacher Education. https://doi.org/10.1007/s10857-023-09609-z