Expressions vs Equations

Front

What is an expression?

Back

An expression is a combination of numbers, variables, and operations (like addition and subtraction) that represents a value.

Front

What is an equation?

Back

An equation is a mathematical statement that asserts the equality of two expressions, typically containing an equal sign ('=').

Front

What is a numerical expression?

Back

A numerical expression is a mathematical phrase that includes numbers and operations but no variables.

Front

What is an algebraic expression?

Back

An algebraic expression is a mathematical phrase that includes numbers, variables, and operations.

Front

What is a coefficient?

Back

A coefficient is a numerical factor in a term of an expression, representing how many times the variable is multiplied.

Front

What is a term in mathematics?

Back

A term is a single mathematical expression that can be a number, a variable, or a combination of both, separated by operations.

Front

What is a variable?

Back

A variable is a symbol (often a letter) that represents an unknown value in an expression or equation.

Front

What does it mean to simplify an expression?

Back

To simplify an expression means to combine like terms and perform operations to reduce it to its simplest form.

Front

What is a constant in an expression?

Back

A constant is a fixed value that does not change, represented by a number in an expression.

Front

What is the difference between an expression and an equation?

Back

An expression does not have an equal sign and represents a value, while an equation states that two expressions are equal.