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## Ignore words

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Natural Number

a counting number from one to infinity.

Whole Numbers

Zero and the counting numbers 1, 2, 3, 4, 5, 6, and so on. If a number has a negative sign, a decimal point, or a part that's a fraction, it is NOT a whole number.

Integers

the set of positive whole numbers and their opposites(negative numbers) and 0

positive number

all the numbers greater than 0, on a horizontal number line to the right of 0, and all numbers above the 0 on a vertical number line

Negative number

a number less than zero

Rational Number

Any number that can be expressed as a ratio of two integers. Example; 6 can be expressed as 6/1, and 0.5 as 1/2.

infinity

something too great to count: an amount or number so great that it cannot be counted

graph

A visual display of data

coordinate

The number that corresponds to a point on a number line

absolute value

The distance of a number from zero on a number line; shown by | |

opposite

Two numbers that are an equal distance from zero on a number line; also called additive inverse.

Irrational Numbers

any number that cannot be expressed as a fraction.