counting numbers | also called natural numbers, the numbers 1, 2, 3, 4, ... |
integers | the numbers …, -3, -2, -1, 0, 1, 2, 3,… |
irrational numbers | numbers between integers that cannot be written as a ratio of integers (that is, as where p and q are both integers), the decimal representation of an irrational number is non-repeating and non-terminating |
natural numbers | also called counting numbers, the numbers 1, 2, 3, 4, … |
rational numbers | numbers that can be written as a ratio of integers (that is, as where p and q are both integers and q ≠ 0) |
real numbers | the set of numbers that includes both rational numbers and irrational numbers. |
repeating decimals | numbers whose decimal parts repeat a pattern of one or more digits, these are all rational numbers |
whole numbers | the numbers 0, 1, 2, 3, …., or all natural numbers plus 0 |