(Positive) distance between a number and zero on the number line; the
corresponding "unsigned" number. | - 4| = 4 and | 4| = 4.
Also called natural numbers, the set of positive numbers used to count
objects. 1, 2, 3, 4, 5, ...
The set of numbers including all the whole numbers and their opposites (the
positive whole numbers, the negative whole numbers, and zero) -- fractions and
decimals are not integers. ... -3, -2, -1, 0, 1, 2, 3, ...
The set including all numbers that are non-
The set of positive numbers used to count objects (also called counting
numbers). 1, 2, 3, 4, 5, ...
The set of numbers to the left of zero on the number line--numbers less than
A horizontal line that has points that correspond to numbers. The points are
spaced according to the value of the number they correspond to; in a number line
containing only whole numbers or integers, the points are equally spaced.
A number that is the same distance from zero as a given number, but on the
opposite side of zero. For example, 7 and -7 are opposites, and -9 and 9 are opposites.
The set of numbers to the right of zero on the number line--numbers greater than
The set of numbers including all the integers, plus all the
fractions, or terminating
decimals and repeating
Every rational number can be
written as a fraction a/b, where a and b are integers.
The set of all the rational numbers and all the irrational numbers.
The set of numbers including all the natural numbers and zero--negative
numbers are not whole numbers. 0, 1, 2, 3, 4, ...