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Zero is a rational number. Rational numbers are numbers that can be represented by the division of two integers. Zero is zero divided by anything besides zero, so zero is rational.
http://wiki.answers.com/Q/Is_0_a_rational_number
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Zero, on the other hand, is even since it is 2 times some integer: it's 2 times 0. To check whether a number is odd, ... A rational number is any number that can be written as a ratio of two integers (hence the name!). In other words, a number is rational if we can write it as a fraction where the numerator and denominator...
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mathforum.org/dr.math/faq/faq.integers.html
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We will be using a rational number simulator throughout this tutorial. You can start it by clicking on the following button. ... Such a system contains all of the integers between minint and maxint, as well as all ratios of those integers (except that zero cannot be used as a denominator).
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www.cs.utah.edu/~zachary/isp/applets/Rational/Rational....
www.cs.utah.edu/~zachary/isp/applets/Rational/Rational.html
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Rational number - Wikipedia, the free encyclopedia
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In mathematics, a rational number is any number that can be expressed as the quotient a / b of two integers, with the denominator b not equal to zero. Since b may be equal to 1, every intege...
en.wikipedia.org/wiki/Rational_number
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Definition: A rational number is a number that can be written in the form a/b such that a and b are both integers and b is unequal to zero. (Integers are the numbers {...,-3,-2,-1,0,1,2,3,...}) ... Question: Is zero a rational number? Explain.
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frontpage.uwsuper.edu/aguckin/rational_number.htm
frontpage.uwsuper.edu/aguckin/rational_number.htm
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Rational numbers ... Rational numbers are fractions p/q where q is non-zero and p and q are both integer. For example, all integers are rational (pick q =1). Other examples of rational numbers are...
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www.math.utah.edu/~alfeld/math/numbers.html
www.math.utah.edu/~alfeld/math/numbers.html
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any number that can be written in the form a/b where a and b are integers and b cannot equal 0. It is a negative rational number if it is less than zero i.e. either a or b, but not both, is negative.
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mathcentral.uregina.ca/RR/glossary/middle/glossaryr.htm...
mathcentral.uregina.ca/RR/glossary/middle/glossaryr.html
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4 .Physically place this divided line segment on k and k+1 of the number line and count off m divisions. This is the location of the a/b rational number. 5. For negative rational numbers teach the same strategy and instruct the student that this rational number is on the left side of the zero number.
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www.iit.edu/~smile/ma8720.html
www.iit.edu/~smile/ma8720.html
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Purpose of Zero [11/17/1994] What is the actual purpose of the number zero? ... Rational Numbers [11/24/1997] Which is greater, the number of rational numbers between 0 and 1 or the number of rational numbers between 0 and 2?
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mathforum.org/library/drmath/sets/mid_number_sense.html
mathforum.org/library/drmath/sets/mid_number_sense.html
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