Rational Number


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Related to Rational Number: real number, irrational number

Rational Number

Any number that can be expressed as a quotient of two integers. For example, one-tenth is a rational number because it can be expressed as 1/10.
References in periodicals archive ?
If otherwise deg [alpha] = 2 then [alpha] = -b + where b and e [not equal to] 0 are rational numbers and [D.
Rational quotients of two linear forms in roots of a polynomial
On the mathematical, cognitive, and instructional foundations of rational numbers.
Teaching and learning of fractions in elementary grades: let the dialogue begin!
La otra, desde una perspectiva cognitiva, destaca el trabajo de Thomas Kieren sobre los procesos de aprendizaje de los numeros racionales basados en su nocion de constructo matematico, y The Rational Number Project coordinado por Merlyn J.
The teaching and learning of ratio, proportion and proportionality: the state of the art/Ensenanza y aprendizaje de la razon, la proporcion y la proporcionalidad: un estado del arte
Learning rational numbers with understanding: The case of informal knowledge.
Detecting and correcting fractions computation error patterns
Transition probabilities of the chain X are clearly rational numbers so the components of [[pi].
On the algebraic numbers computable by some generalized Ehrenfest urns
Percents and proportion at the center: Altering the teaching sequence for rational number.
Developing a theoretical framework for examining student understanding of fractional concepts: an historical accounting
But with a periodic expansion I can always recuperate the rational number which produces it and therefore I can calculate the length represented by it in an exact way.
Square root of 2 and the idea of convergence: a socratic experience
From fractions to rational numbers of arithmetic: A reorganization hypothesis.
Initial treatment of fractions in Japanese textbooks
Students have difficulty translating one rational number model, whether verbal, pictorial, or symbolic, into another.
The number sense of preservice elementary school teachers
The second is that measurement deals in the first instance with rational numbers rather than reals.
Numbers as quantitative relations and the traditional theory of measurement
25 is a rational number and is a close approximation of 2.
Synthesis of equal delay transmission line transformer networks
Note that [mathematical expression not reproducible] (where den(z) denotes the denominator of a rational number z).
A note on transcendental entire functions mapping uncountable many Liouville numbers into the set of Liouville numbers
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