End of the year vocabulary

Flashcards for reviewing key mathematical terms and definitions.

Equation

A mathematical sentence that shows that two expressions are equivalent.

Proportion

An equation that states that two ratios are equivalent.

Ratio

A comparative value of two or more amounts.

Unit Rate

A rate in which the second quantity in the comparison is one unit.

Distributive Property

Multiplying a number is the same as multiplying its addends by the number, then adding the products.

Difference

The result when one number is subtracted from another.

Product

The result when two or more numbers are multiplied.

Quotient

The result when one number is divided by another.

Sum

The result when adding, a total or whole.

GCF

The biggest number that will divide two or more numbers exactly.

LCM

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

Absolute Value

The distance of a number from zero on a number line.

Integer

Any positive or negative whole number.

Opposite Numbers

Two numbers that have the same numeral but opposite signs.

Inequality

The relationship between 2 values (less than, greater than, or not equal to).

Exponent

The number that indicates how many times the base number is multiplied by itself.

Coefficient

A number which multiplies a variable.

Substitute

To replace a variable with a number or another expression in an algebraic expression.

Order of Operations

A rule for solving expressions: parentheses, powers and roots, multiplication and division, addition and subtraction.

Height

The perpendicular distance from the base to the opposite vertex or side.

Net

A flat shape that can be folded up into a 3-D solid.

Surface Area

The sum of the areas of the faces of a 3-D shape.

Unit

Another name for one.

Volume

The amount of space taken up by a 3D shape, measured in cubic units.

Mean

The sum of the items in a set of data divided by the number of items in the set (average).

Median

The middle number or the mean of the two middle numbers in an ordered set of data.

Mode

The number or numbers that occur most frequently in a set of data.

Range

The difference between the greatest and least values in a data set.

Variable

A symbol that represents a number.

Expression

A mathematical phrase that contains operations, numbers, and/or variables.