When calculating area or surface area, you should always ______ your units.

When calculating volume, you should always ______ your units.

The average for a set of data values

The distance around the outside of a circle is the ________

The area of a circle can be calculated using the formula _________

How far away a number is from zero

The constant value (k) relating amounts that rise or fall uniformly together

A polygon curved inwards

A polygon curved outwards

This has the same shape as the original figure but a different size after a dilation

A comparison of two related quantities

An amount of money given to a worker (i.e. waiter or waitress) in addition to the basic price

A reduction in price

A single number or variable, or numbers and variables multiplied together

A value, or values, that can be put in the place of a variable in an equation to make it true

The operation that reverses the effect of another operation

How far, on average, all values are from the middle

The range from Quartile 1 to Quartile 3 in a box plot

A special type of diagram showing Quartiles 1, 2 and 3 (where the data can be split into quarters) in a box, with lines extending to the lowest and highest values

The total amount of money borrowed (or invested), not including any interest or dividends.

The chance that something will happen. How likely it is that some event will occur.

The amount of 3-dimensional space something takes up.

The total area of the surface of a three-dimensional object.

A selection taken from a larger group that helps make predictions

The whole group that is being studied.

The "middle" of a sorted list of numbers.

The number which appears most often in a set of numbers.

The difference between the lowest and highest values.

The distance from the center to any point on a circle

The distance from one point on a circle through the center to another point on the circle.

Two Angles that add up to 90 degrees (a Right Angle).

Two Angles that add up to 180 degrees.

An angle inside a shape, between two joined sides.

The angle between any side of a shape, and a line extended from the next side.

The average of the numbers; a calculated "central" value of a set of numbers

A fixed value

Parts per 100

A line that crosses at least two other lines.

The angles opposite each other when two lines cross. They are always equal.

Angles lying next to each other.

The angles in matching corners of a transversal

A number with no fractional part (no decimals).

A number that can be made by dividing two integers (an integer is a number with no fractional part).

The rules that say which calculation comes first in an expression

Two figures that are different sizes but have the same shape

Money that the government collects based on income, sales, and other activities.

How much a retailer increases the price over what they paid for it to make a profit.

A symbol for a number we don't know yet. It is usually a letter like x or y

What you add to a number to get zero.

The negative of a number.

The Law that says you can swap numbers around and still get the same answer when you add or multiply.

Multiplying a number by a group of numbers added together is the same as doing each multiplication separately.

A sketch that shows a real object with accurate sizes reduced or enlarged by a certain amount (called the scale).

States that two ratios (or fractions) are equal

Ratios that have the same value even though they appear to be different.

States that two values are equal

How much of something per 1 unit of something else

An amount that a salesperson can in addition to their base salary. This is usually a percentage of the total cost.

A number that multiplies by a variable.

Terms whose variables (such as x or y) with any exponents (such as the 2 in x²) are the same.

States that two values are not equal.

Purchases goods and services for personal use.

Calculated as a percent of the original loan.