Lesson objective: Fluently solve equations with rational numbers by using inverse operations.

This lesson helps to build procedural skill with using inverse operations to solve equations. Students apply their previous understanding of how to determine the appropriate inverse operation to use in order to solve the equation. This lesson builds upon work with rational numbers. This work develops students' understanding that because equations show a relationship between expressions, we can use the relational meaning of the equal sign to find a missing value in an equation.

Students engage in Mathematical Practice 2 (Reason abstractly and quantitatively) as they choose the appropriate inverse operation to use to accurately solve equations.

**Key vocabulary:**

- equation
- expression
- inverse operation
- variable