Mathematics key terms

A table that organises possible outcomes, often with one event along the top and another down the side.

A numerical value calculated from sample data, such as a sample proportion or sample mean.

A list or other record of the members of a population from which a sample can be selected.

The natural difference between results obtained from different samples taken from the same population.

Information consisting of two side lengths and the included angle between them.

An ordinary number used to multiply a vector, changing its magnitude and possibly reversing its direction.

A statement comparing a length on a drawing or map with the corresponding real length.

A drawing in which lengths represent real lengths using a consistent scale.

A drawing in which lengths represent real lengths in a fixed proportion.

The multiplier used to change each length in a shape or drawing to its corresponding length in another.

A triangle with three different side lengths.

A power of 10 such as 10, 100 or 1000, used to scale both numbers in a decimal division without changing the quotient.

A graph on which paired values of two variables are plotted as separate points.

A graph that plots each pair of values as a point to show how two variables may be related.

A pattern of rises and falls that repeats at regular times, such as each year.

Data that was originally collected by somebody else or for another purpose.

The difference between consecutive first differences.

The differences between consecutive first differences.

The region of a circle enclosed by two radii and the arc joining their endpoints.

A region of a circle bounded by a chord and an arc.

A region of a circle bounded by a chord and an arc of the circumference.

The amount received when an item is sold.

Half of a circle, formed when a diameter divides the circle into two equal regions.

The direction of a rotation: clockwise or anti-clockwise.

An ordered list of numbers or other objects whose terms follow a rule.

Two or more transformations applied one after another in a specified order.

A collection of distinct elements, usually written inside braces such as {1, 2, 3}.

Notation that describes a collection of values inside curly brackets, usually with a condition after a colon.

An elevation obtained by looking directly at the object from a specified side.

A change from a positive value of $f(x)$ to a negative value, or vice versa, between two input values.