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Viviane Durand-Guerrier – ZDM: Mathematics Education, 2024
Understanding the concept of completeness for an ordered field is known to be difficult for many university mathematics students. We hypothesise that the variety of possible axioms of completeness for the set of real numbers is one of the sources of difficulties as is the lack of understanding of the "raison d'être" of these axioms. In…
Descriptors: College Mathematics, Numbers, Number Concepts, Number Systems
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Giovanni Vincenzi – International Journal of Mathematical Education in Science and Technology, 2025
Using the basic properties of the base-b representation of rational numbers, we will give an elementary proof of Gauss's lemma: "Every real root of a monic polynomial with integer coefficients is either an integer or irrational." The paper offers a new perspective in understanding the meaning of 'irrational numbers' from a deeper…
Descriptors: Mathematical Logic, Validity, Numbers, Mathematics
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Jessica L. Smith; Spirit Karcher; Ian Whitacre – International Journal of Research in Undergraduate Mathematics Education, 2024
The purpose of this study was to examine the ways advanced mathematics students define "number" and the degree to which their definitions extend to different number domains. Of particular interest for this study are learners' fundamental conceptions of number and the implications for learners' interpretations of complex numbers (a + bi).…
Descriptors: Numbers, Undergraduate Students, Definitions, Mathematical Concepts
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Seanyelle Yagi; Linda C. Venenciano – Mathematics Teacher: Learning and Teaching PK-12, 2024
On the surface, the number line may seem like a basic tool with obvious applications. However, using a number line is not always intuitive for students. Students may not recognize significant features such as the size of the unit, how units are represented by iterated equal lengths, or that the accumulation of iterated units is a magnitude of…
Descriptors: Number Concepts, Mathematical Concepts, Measurement, Teaching Methods
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Marios Pittalis – Mathematics Education Research Journal, 2025
A theoretical model describing Grade 7 students' rational number sense was formulated and validated empirically (n = 360), hypothesizing that rational number sense is a general construct consisting of three factors: basic rational number sense, arithmetic sense, and flexibility with rational numbers. Data analysis suggested that rational-number…
Descriptors: Middle School Mathematics, Middle School Students, Grade 7, Numbers
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Erik Jacobson – Investigations in Mathematics Learning, 2024
This study used units coordination as a theoretical lens to investigate how whole number and fraction reasoning may be related for preservice teachers at the conclusion of a math methods class. The study contributes quantitative evidence that units coordination provides a common foundation for both mathematical knowledge for teaching whole number…
Descriptors: Preservice Teachers, Elementary School Teachers, Mathematics Instruction, Methods Courses
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dos Santos, César Frederico – Journal of Numerical Cognition, 2023
In the literature on numerical cognition, the presence of the capacity to distinguish between numerosities by attending to the number of items, rather than continuous properties of stimuli that correlate with it, is commonly taken as sufficient indication of numerical abilities in cognitive agents. However, this literature does not take into…
Descriptors: Number Concepts, Numeracy, Cognitive Ability, Mathematical Concepts
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Patrick K. Kirkland; Claire Guang; Chineme Otuonye; Nicole M. McNeil – Journal of Numerical Cognition, 2024
Students who exhibit mature number sense make sense of numbers and operations, use reasoning to notice patterns, and flexibly choose effective problem-solving strategies (McIntosh et al., 1997, https://ro.ecu.edu.au/ecuworks/6819). Due to its dispositional nature, mature number sense is typically measured through in-depth interviews or tests of…
Descriptors: Number Concepts, Thinking Skills, Mathematical Concepts, Multiple Choice Tests
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Rodney Nillsen – Australian Mathematics Education Journal, 2024
Equal representation as a social issue is about the participation of one social group, in a particular context, in proportion to the numbers in the group within the total population. The proportion of women in parliament, and of the participation rate of students of lower socioeconomic status in higher education, are examples. The aims of this…
Descriptors: Social Problems, Disproportionate Representation, Foreign Countries, Mathematics Education
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Esther S. Levenson; Ruthi Barkai; Anas Mahamid; Sigal Levy – Educational Studies in Mathematics, 2024
This study examines the solutions of 34 kindergarten children as they create equal groups from n bottle caps, where n was equal to 8, 9, 22, and 23. For each n, children were asked to find as many different solutions as possible. The number of solutions they found, i.e., children's fluency, as well as the strategies used to create equal groups,…
Descriptors: Elementary School Mathematics, Kindergarten, Creativity, Mathematical Concepts
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Liu, Qiushan; Braithwaite, David – Journal of Experimental Psychology: Learning, Memory, and Cognition, 2023
Rational numbers are represented by multiple notations: fractions, decimals, and percentages. Whereas previous studies have investigated affordances of these notations for representing different types of information (DeWolf et al., 2015; Tian et al., 2020), the present study investigated their affordances for solving different types of arithmetic…
Descriptors: Fractions, Arithmetic, Mathematical Concepts, Affordances
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Sofia Tancredi – Digital Experiences in Mathematics Education, 2024
Can math concepts be experienced through the sensory modality of balance? Balance Board Math (BBM) is a set of pedagogical math activities designed to instantiate mathematical concepts through stimulation to the vestibular sense: an organ in the inner ear that detects our bodily balance and orientation. BBM establishes the different ways children…
Descriptors: Mathematical Concepts, Learning Modalities, Mathematics Activities, Stimulation
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Ulrich, Catherine; Norton, Anderson – Research in Mathematics Education, 2019
Psychological studies of early numerical development fill a void in mathematics education research. However, conflations between magnitude awareness and number, and over-attributions of researcher conceptions to children, have led to psychological models that are at odds with findings from mathematics educators on later numerical development. In…
Descriptors: Mathematics Education, Number Systems, Mathematical Concepts, Perceptual Motor Learning
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Venenciano, Linda C. H.; Yagi, Seanyelle L.; Zenigami, Fay K.; Dougherty, Barbara J. – Investigations in Mathematics Learning, 2020
First-grade mathematics curriculum has been typically constructed to emphasize the development of whole number and operations. Topics addressed to a lesser extent include algebraic thinking, measurement, and geometry. In this research study, we suggest an alternative to this balance of topics. We compared prior research and learning expectations…
Descriptors: Grade 1, Elementary School Mathematics, Mathematics Curriculum, Algebra
Josephine Relaford-Doyle – ProQuest LLC, 2022
It is widely assumed within developmental psychology that spontaneously-arising conceptualizations of natural number--those that develop without explicit mathematics instruction--match the formal characterization of natural number given in the Dedekind-Peano Axioms (e.g., Carey, 2004; Leslie et al., 2008; Rips et al., 2008). Specifically,…
Descriptors: Mathematical Concepts, Number Concepts, Mathematical Logic, Undergraduate Students
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