8th Grade Math Vocabulary Quiz

Algebra

• A branch of mathematics that deals with the study of variables and their relationships, often expressed through symbols, equations, and functions.
• Involves the use of symbols, numbers, and mathematical operations to solve equations and manipulate expressions.

Probability

• A measure of the likelihood of an event occurring, expressed as a number between 0 and 1.
• Represents the chance or probability of an event happening, with 0 indicating impossibility and 1 indicating certainty.

Percent

• A way to express a value as a fraction of 100.
• Represents a part of a whole, with 100% being the whole and 0% being nothing.

Ratio

• A comparison of two quantities, often expressed as a fraction or a decimal.
• Used to describe the relationship between two or more values, such as the ratio of boys to girls in a class.

Geometry

• A branch of mathematics that deals with the study of shapes, sizes, and positions of objects.
• Involves the study of points, lines, angles, and planes, and their relationships with each other.

Variable

• A symbol or letter that represents a value that can change or vary.
• Used to represent unknowns or changing values in mathematical expressions and equations.

Equation

• A statement that says two mathematical expressions are equal.
• Often contains variables, numbers, and mathematical operations, and requires solving to find the value of the variable.

Function

• A relation between a set of inputs (called the domain) and a set of possible outputs (called the range).
• Can be represented as an equation, graph, or table, and describes a relationship between variables.