Topic 4 Vocabulary

A mathematical statement that shows two expressions are equal, usually containing an equals sign (=).

• Variable

• Equation

• Expression

• Solution

• Inverse

A letter or symbol used to represent an unknown number in a mathematical expression or equation.

• Variable

• Equation

• Expression

• Solution

• Inverse

A value that, when substituted for a variable, makes an equation true.

• Variable

• Equation

• Expression

• Solution

• Inverse

A mathematical phrase containing numbers, variables, and operation symbols but no equal sign.

• Variable

• Equation

• Expression

• Solution

• Inverse

The opposite of a number or operation, such as addition and subtraction or multiplication and division.

• Variable

• Equation

• Expression

• Solution

• Inverse

A property stating that if the same number is added to both sides of an equation, the equation remains true.

• Addition Property

• Multiplication Property

• Subtraction Property

• Division Property

• Equality

A property stating that if both sides of an equation are multiplied by the same number, the equation remains true.

• Addition Property

• Multiplication Property

• Subtraction Property

• Division Property

• Equality

A property stating that if both sides of an equation are divided by the same nonzero number, the equation remains true.

• Addition Property

• Multiplication Property

• Subtraction Property

• Division Property

• Equality

A property stating that if the same number is subtracted from both sides of an equation, the equation remains true.

• Addition Property

• Multiplication Property

• Subtraction Property

• Division Property

• Equality

The state of being equal, shown by the symbol "=" in a mathematical statement.

• Addition Property

• Multiplication Property

• Subtraction Property

• Division Property

• Equality