rational number


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Related to rational number: real number, irrational number

rational number

n.
A number capable of being expressed as an integer or a quotient of integers, excluding zero as a denominator.

rational number

n
(Mathematics) any real number of the form a/b, where a and b are integers and b is not zero, as 7 or 7/3

ra′tional num′ber


n.
a number that can be expressed exactly by a ratio of two integers.
[1900–05]

ra·tion·al number

(răsh′ə-nəl)
A number that can be expressed as an integer or a quotient of integers. For example, 2, -5, and 1/2 are rational numbers.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.rational number - an integer or a fraction
real, real number - any rational or irrational number
fraction - the quotient of two rational numbers
Translations
racionální číslo
rationaaliluku
nombre rationnel
racionalni broj
racionális szám
numero razionale
rationellt tal
References in periodicals archive ?
Since [f.sub.*]R' = R', we have [f.sub.*][gamma] [equivalent] a[gamma] for a positive rational number a.
Parameter relations corresponding to rational numbers of small quotients support resonance interactions inside the system and make the system unstable.
Students who perform at the basic level are able to compute whole and rational numbers; solve simple problems with the help of charts, diagrams, and graphs; and understand informal algebraic concepts.
Elementary school math textbooks in Korea devote far more space to rational number arithmetic and provide more practice problems than do U.S.
If one were to ask what area the Ford circles cover, one would need to think about whether every rational number is in a Farey sequence and how many fractions there are that have each possible denominator.
This is even more important as researchers (Brown & Quinn, 2007; Good et al., 2013; Lamon, 2005; National Mathematics Advisory Panel, 2008; Siegler et al., 2013; Wu, 2001) have documented that developing proficiency in understanding fractions is critical if strong conceptual understanding of further mathematical concepts such as rational numbers, proportional reasoning, and algebra is to be built.
Rational number and proportional reasoning: Using intensive quantities to promote achievement in mathematics and science.
That is, we extend the range of an exponent of a power function in the nonsingular terminal sliding surface from a rational number with an odd numerator and an odd denominator to a real number.
Although a possibility, that there exists a rational number of BECS hierarchical levels, can be ruled out; methods are presented.
(i) are larger for the flow in the clearances with curvilinear generating lines than these ones for the flow in clearances with rectilinear generating lines for the nonlinearity index 2m being natural numbers; for m being rational numbers this phenomenon progresses inversely.
Proposition 7 Let x = p/q be a rational number such that gcd(p, q) = 1 and q [greater than or equal to] 4 then x [not member of] L.
As noted by Charalambous and Pitta-Pantazi (2007) the concept of part-whole partitioning takes up the bulk of the curriculum in younger grades, because it is critical to understanding other rational number concepts such as ratios, quotients, and measure.