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.
On the mathematical, cognitive, and instructional foundations of rational numbers.
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.
Learning rational numbers with understanding: The case of informal knowledge.
Transition probabilities of the chain X are clearly rational numbers so the components of [[pi].
Percents and proportion at the center: Altering the teaching sequence for rational number.
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.
From fractions to rational numbers of arithmetic: A reorganization hypothesis.
Students have difficulty translating one rational number model, whether verbal, pictorial, or symbolic, into another.
The second is that measurement deals in the first instance with rational numbers rather than reals.
25 is a rational number and is a close approximation of 2.
Note that [mathematical expression not reproducible] (where den(z) denotes the denominator of a rational number z).
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