Memory Game Expressions and EquationsOnline version Vocabulary surrounding mathematical expressions and equations. by Alyssa Miller Inverse Operation Algebraic Term Addition A term that has NO variable. Algebraic Expression Equation Subtraction A mathematical term that contains a variable. The inverse operation of subtraction The inverse operation of multiplication. A combination of one or more algebraic terms with NO equal sign. an operation that "undoes" another operation Division The inverse operation of division. Has algebraic terms linked with an equal sign. Multiplication The inverse operation of addition. Constant