Unit 6: Equations and Inequalities

A number sentence that includes an equal sign

A letter used to represent an unknown quantity

The number in an expression that does not change

The number in ffront of a variable

Operations that “undo” each other

The answer to an equation

Whatever you do to one side of the equation, you must do to the

other side, to keep the balance!

A mathematical sentence with an inequality symbol

The set of all values that make an inequality true

Has a starting point and goes on forever in one direction