Rapid Communication: Understanding the Real Value of Fractions and Decimals
نویسندگان
چکیده
منابع مشابه
Understanding the real value of fractions and decimals.
Understanding fractions and decimals is difficult because whole numbers are the most frequently and earliest experienced type of number, and learners must avoid conceptualizing fractions and decimals in terms of their whole-number components (the "whole-number bias"). We explored the understanding of fractions, decimals, two-digit integers, and money in adults and 10-year-olds using two number ...
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Modeling discrete and continuous entities with fractions and decimals.
When people use mathematics to model real-life situations, their use of mathematical expressions is often mediated by semantic alignment (Bassok, Chase, & Martin, 1998): The entities in a problem situation evoke semantic relations (e.g., tulips and vases evoke the functionally asymmetric "contain" relation), which people align with analogous mathematical relations (e.g., the noncommutative divi...
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Although fractions, decimals, and whole numbers can be used to represent the same rational-number values, it is unclear whether adults conceive of these rational-number magnitudes as lying along the same ordered mental continuum. In the current study, we investigated whether adults' processing of rational-number magnitudes in fraction, decimal, and whole-number notation show systematic ratio-de...
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ژورنال
عنوان ژورنال: Quarterly Journal of Experimental Psychology
سال: 2011
ISSN: 1747-0218,1747-0226
DOI: 10.1080/17470218.2011.604785