منابع مشابه
Rational-number comparison across notation: Fractions, decimals, and whole numbers.
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...
متن کاملComparison Across Notation : Fractions , Decimals , and Whole numbers
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...
متن کاملNotation-independent representation of fractions in the human parietal cortex.
Although the concept of whole numbers is intuitive and well suited for counting and ordering, it is with the invention of fractions that the number system gained precision and flexibility. Absolute magnitude is encoded by single neurons that discharge maximally to specific numbers. However, it is unknown how the ratio of two numbers is represented, whether by processing numerator and denominato...
متن کاملAn ERP Study of the Processing of Common and Decimal Fractions: How Different They Are
This study explored event-related potential (ERP) correlates of common fractions (1/5) and decimal fractions (0.2). Thirteen subjects performed a numerical magnitude matching task under two conditions. In the common fraction condition, a nonsymbolic fraction was asked to be judged whether its magnitude matched the magnitude of a common fraction; in the decimal fraction condition, a nonsymbolic ...
متن کاملDecimal/rf_.sidue/decimal Optical Converters
Residue arithmetic [1-3] appears to be an attractive scheme for realizing a high speed numerical processor. Huang [4,5 ] was one of the first to suggest fabrication of an optical residue arithmetic processor. One recent optical approach [6] to such a system uses ~he phase or polarization of a spatial point as the cyclic variable. Another approach [7] uses pulse-position modulation to represent ...
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ژورنال
عنوان ژورنال: Časopis pro pěstování matematiky a fysiky
سال: 1932
ISSN: 1802-114X
DOI: 10.21136/cpmf.1932.121847