odd numbers

not divisible by 2

odd numbers

not divisible by 2

even numbers

divisible by 2

natural numbers

a whole, positive number (not a decimal)

counting numbers

numbers that are used for counting, or whole numbers that range from 1 to infinity

prime numbers

any number greater than 1 that has no factors other than 1 and itself

composite number

a number greater than one that fhas at least one factor other than itself and one

whole numbers

any positive number that is not a decimal or fraction (including 0)

integers

any number that is negative or positive but is not a decimal or fraction (including 0)

absolute value

how far away a number is from zero in a number line

rational numbers

any number that can be written as a fraction

irrational number

any number that can not be writen as a fraction and the numbers decimal goes on forever without repeating

real number

any number that can be found on a number line

imaginairy number

any number that involves a square root of a negative number

complex number

when a real and imaginairy number are added