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# Types of numbers

Natural, Whole, Integer, Rational, Irrational, Non-Real
by

## Tracy Cottrell

on 9 May 2012

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#### Transcript of Types of numbers

The set of all positive whole numbers > 0 [1, 2, 3, 4, 5, ...) Natural Numbers: Whole Numbers: The set of all positive integers INCLUDING 0. [0, 1, 2, 3, ...) Integers: The set of all positive and negative whole numbers. (...-3, -2, -1, 0, 1, 2, ...) Rational Numbers: The set of all numbers that can be written as fractions. Numbers that terminate
OR
Repeat the same number(s) to infinity Examples:

0.3 = __ 1 3 ___ 0.9 = 9 ___ 10 17 = 17 1 ___ 1.) 2.)

3.) Irrational Numbers: The set of all numbers that CANNOT be written as fractions. These are numbers that continue to infinity WITHOUT repeating any numbers. Examples: Real Numbers: The set of all non-imaginary numbers. Includes:
Rationals
Irrationals
Integers
Wholes
Naturals Imaginary Numbers: The set of all non-real numbers. i = Any number n multiplied by i, the imaginary number
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