The distance between zero

and the number on the number line.

Zero added to a number

does not change the number.

Two numbers can be added in either order;

the sum will be the same.

A number that has whole-number factors

besides 1 and itself.

A rectangular solid in which all six faces

are squares.

The part of a fraction that appears below

the fraction bar.

In subtraction, the result of subtracting

two numbers.

A statement of a the equality

of two mathematical expressions.

The whole-number factors of a number

divide that number evenly.

An equation that expresses

a relationship among variables.

A display that provides

a pictorial representation of data.

The smallest common multiple

of two or more numbers.

Terms of a variable expression

that have the same variable part.

The products of that number

and the numbers 1, 2, 3, ...

The numbers {1, 2, 3, 4, 5, ...}

Also called the positive integers.

A decrease of a quantity, expressed

as a percent of its original value.

An increase of a quantity, expressed

as a percent of its original value.

The expression of a number as the product

of its prime factors.

A comparison of two quantites

that have different units.

A comparison of two quantities

that have the same units.

The fraction with the numerator

and denominator interchanged.

A decimal in which a block of one or more digits

repeats orever.

In a variable term, the variable or variables

and their exponents.

A term composed of a numerical coefficient

and a variable part.