Natural Numbers The first counting numbers Does NOT include zero

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Presentation transcript:

Natural Numbers The first counting numbers Does NOT include zero No decimals, no negatives.

Whole Numbers Also called counting numbers INCLUDES zero No decimals, no negatives.

Integers Positive and negative whole numbers INCLUDES zero No decimals.

Rational Numbers As a decimal, it either repeats or ends (terminate) As a fraction, is an integer divided by an integer. Any # that has a place on the number line

Irrational Numbers As a decimal, does not end AND does not repeat CANNOT be written as a fraction of 2 integers. Any # that DOES NOT have a place on the number line.

Real Numbers Every Rational Number and Irrational Number is a REAL Number All the numbers you know about.

Imaginary Numbers The answers to problems involving the square roots of negative numbers. √-1 = i i2 = -1