Mathematics key terms

The total area of the exposed faces or curved surfaces of a three-dimensional solid.

Listing every permitted element or outcome in an organised way, without omissions or duplicates.

An ordered method for recording every possible outcome exactly once.

A display that pairs selected input values of $x$ with the corresponding output values of $y$.

The starting point of a drawn vector.

A tangent is a straight line that touches a circle at exactly one point.

One of ten equal parts of a whole; the first place to the right of the decimal point.

One item in a sequence; its position is usually numbered $1,2,3,\ldots$.

A decimal that has a finite number of digits after the decimal point, such as $0.375$.

The variable $n$ used to represent a term's position in a sequence, with $n=1$ for the first term, $n=2$ for the second term, and so on.

A rule that produces each new term from one or more preceding terms.

The result produced by a sequence rule at a particular position; it may be written as $T(n)$.

A condition that is sufficient to prove that a quadrilateral is a particular type.

A coordinate pair substituted into an inequality to decide which side of its boundary contains the solutions.

A mathematical statement established as true by a logical argument.

A probability found from a mathematical model of all possible outcomes rather than from experimental results.

One of one thousand equal parts of a whole; the third place to the right of the decimal point.

A direction given as an angle measured clockwise from north, written with three figures.

A ratio that has one number for each of three quantities, written in the same order as those quantities, such as $2:3:7$.

A fixed length of time, such as a year or month, after which a stated percentage change is applied.

Data recorded in chronological order, usually at regular time intervals.

A graph showing how a quantity changes over time, with time on the horizontal axis and consecutive plotted points usually joined by straight lines.

The principal together with all the interest charged or earned.

The sum of all the parts in a ratio; it becomes the denominator when each part is written as a fraction of the whole.

A quantity that is divided between people, groups or categories in a specified ratio.

A change to a shape's position, orientation or size according to a specified rule.

A movement that shifts every point by the same distance in the same direction, without turning or reflecting the shape.

A line that crosses two or more other lines at different points.

A quadrilateral with exactly one pair of opposite sides parallel.

An estimate of a curved region's area found by dividing it into strips and replacing each curved strip with a trapezium.