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Jul 02, 2025
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Xavier University Undergraduate and Graduate Catalog 2024-2025
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EDEL 554 - Number Theory 3 Credit Hours This course builds upon the prior course Mathematics as a Second Language and Functions and
Algebra and extends and reinforces the learning from those courses. This course introduces
teachers to the branch of mathematics known as number theory, in which one studies properties
of positive integers with respect to the operations of multiplication and division. Emphasis in
this course is placed on the mathematical content of number theory and on how number theory is
taught in grades K -8, with particular attention to student learning of number theory in these
grades. Topics include the division algorithm, properties of prime and composite numbers, the
sieve of Eratosthenes as a way of understanding distributions of primes and composites, the
infinitude of primes, the fundamental theorem of arithmetic, properties of the greatest common
factor and methods of computing the greatest common factor including the Euclidean algorithm,
properties of least common multiples, use of base ten and expanded notation, writing numbers
and computing in different bases, and arithmetic progressions. In K-12 application of content,
teachers will examine the Ohio Mathematics Common Core Standards and Model Curriculum in
Number/ Number Sense and Algebraic Thinking and demonstrate an understanding of how the
concepts associated with this strand of mathematics develop across the grades.
Prerequisites: EDEL550 and EDEL551
Restrictions: Must be enrolled in one of the following Levels: Graduate
Levels: Graduate
College of Professional Sci School of Education
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