Mathematics Terminology and Concepts Review

Flashcards covering key terms and definitions from mathematics lecture notes.

Whole number

A number without fractions; an integer that is non-negative.

Integer

A whole number that can be positive, negative, or zero.

Ratio

A comparison of two quantities expressed as a fraction.

Percent

A ratio expressed as a fraction of 100.

Absolute value

The distance of a number from zero, regardless of direction.

Mixed number

A number consisting of an integer and a proper fraction.

Simplifying a fraction

The process of reducing the numerator and denominator to their smallest whole number values.

PEMDAS

An acronym for the order of operations: Parentheses, Exponents, Multiplication and Division (from left to right), Addition and Subtraction (from left to right).

Mode

The value that appears most frequently in a data set.

Median

The middle value in a data set when arranged in order.

Mean

The average of a set of numbers calculated by dividing the sum of all values by the number of values.

Rate

A ratio comparing two different units, such as speed (miles per hour).

Loan

Borrowed money that must be repaid with interest.

Grant

Financial aid that does not need to be repaid.

Exponent

A mathematical notation indicating the number of times a quantity is multiplied by itself.

Quadrant

One of the four regions of the Cartesian plane formed by the intersection of the x-axis and y-axis.