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The branch of mathematics that deals with quantities and the relationships between them, usually described by equations.

A quantity with both magnitude and direction.

A mathematical statement that two expressions are equal.

The square root of a number is a value that, when multiplied by itself, gives the original number.

The ratio of the circumference of a circle to its diameter, approximately equal to 3.14159.

A set of non-negative whole numbers that are commonly used for counting.

A mathematical operation where an integer is divided by another integer to produce an integer quotient and possibly a remainder.

The point at which a graph intersects the axes of a coordinate system.

This kind of number can be represented as the quotient of two integers, where the denominator is not zero.

A number that cannot be exactly expressed as a ratio of two integers.

The perimeter of geometric figures or the total length around a path.

A mathematical symbol or group of symbols representing a quantity or an operation.

The relationship between two variables where one is a constant multiple of the other.

The result when one number is subtracted from another.

A branch of mathematics dealing with the shape, relative arrangement, and size of figures.

The sum of a collection of numbers divided by the count of numbers in the collection.

The largest number that divides two or more numbers without leaving a remainder.

The lowest number that is a multiple of two or more numbers.

The amount of space an object takes up.

The measure of the amount of two-dimensional space inside the perimeter of a flat (2D) shape.

A number that is added to another number.

A mathematical notation used to represent very large or very small numbers. It is written as the product of a number between 1 and 10 and a power of 10.

A geometrical solid with six congruent square faces.

A mathematical statement composed of algebraic and/or numerical expressions set apart by an inequality symbol.

The likelihood of an event occurring, measured on a scale from 0 to 1.

A mathematical abstraction that deals with quantities, and their operations, including addition, subtraction, multiplication, and division.

The graphical representation of data where the data is represented by symbols such as bars in a chart, lines in a graph, or slices in a pie.

An equation in which the highest power of the variable is squared.

A collection of elements that can be numbers, symbols, or sets that are grouped together in a prescribed order.

A special relationship where each input has a single output. It is often written as an equation in which $x$ is an independent variable and $y$ is a dependent variable.

A symbol used in mathematics to indicate addition, such as the plus sign (+).

The opposites of the numbers we usually think of, which are greater than zero. This type includes both negative numbers and zero.

An arithmetic operation that combines two numbers to make a larger number.

An arithmetic operation that calculates the total number of objects when objects are arranged in rows and columns.

A special number that, when used in a multiplication problem, doesn't change the value of the other number.