Term
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Definition
the set of natural numbers and zero.
W=(0,1,2,3,4,5...) |
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Term
| Natural Numbers and Counting Numbers |
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Definition
| the set of numbers used in counting |
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Term
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Definition
| whole numbers and their opposites |
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Term
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Definition
whole numbers and their opposites
J=(...-3,-2,-1,0,1,2,3...) |
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Term
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Definition
any number that can be expressed as the quotient of 2 integers. Q=Rational Numbers
It is impossible to represent the set of rationals using a graph or using the roster method. The rational numbers include al whole numbers, integers, decimals, and fractions. |
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Term
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Definition
cannot be expressed as the ratio of 2 integers. Ex- pi and the square root of 2
rationals and irrationals=reals |
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Term
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Definition
members cannot be counted.
Ex.:Q,N,W,J,reals |
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Term
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Definition
| members can be counted. Ex.: (the even numbers between 20 and 50) |
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Term
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Definition
| can be used to show the relatonship among sets of numbers. |
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