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Dana C. Ernst; Jeffrey Slye – PRIMUS, 2024
The algebraic group Spin[subscript 3 × 3] arises from spinning collections of the numbers 1-9 on a 3×3 game board. The authors have been using this group, as well as a corresponding online application, to introduce undergraduate students to core concepts in group theory. We discuss the benefits of using this deceptively simple, toy-like puzzle in…
Descriptors: Algebra, Numbers, Computer Oriented Programs, Undergraduate Students
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Jorgensen, Theresa A.; Shipman, Barbara A. – PRIMUS, 2012
This paper presents guided classroom activities that showcase two classic problems in which a finite limit exists and where there is a certain charm to engage liberal arts majors. The two scenarios build solely on students' existing knowledge of number systems and harness potential misconceptions about limits and infinity to guide their thinking.…
Descriptors: Majors (Students), Liberal Arts, Class Activities, Learning Activities
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Schabel, Carmen – PRIMUS, 2005
I discuss an instructional model that I have used in my number theory classes. Facets of the model include using small group work and whole class discussion, having students generate examples and counterexamples, and giving students the opportunity to write proofs and make conjectures in class. The model is designed to actively engage students in…
Descriptors: Learning Activities, Writing Ability, Number Concepts, Discussion (Teaching Technique)