Algebra 1 · Expressions & Equations

Inverse Operation

Algebra 1 · Expressions & Equations

Definition

An inverse operation is an operation that undoes another, such as addition and subtraction, used to solve equations.

Teach it

Where it is taught, with guided notes, practice, homework, an exit ticket and an interactive Teacher Deck.

Examples

  • Undo +5 by subtracting 5.
  • Undo x2 by dividing by 2.

Key rule

Use the inverse operation to isolate the variable.

Memory hook

Inverse = the undo button for each operation.