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6 Cards in this Set

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The most inclusive set of numbers
Real Numbers
Also known as counting numbers
Natural numbers
Incorporates all the qualities of whole numbers and their opposites
Integers
Any number that can be written as a fraction or decimal
Rational number
A number that cannot be written as a fraction
Irrational number
The most general word for a letter that represents a number which varies until it's written in an equation
Variable