This lesson plan and handout on rational exponents was created by me, Athena Leonardo, for an 11th/12th grade pre-calculus class, but is suitable for advanced algebra students as well. This 2-day lesson is inquiry-based and guides students to generalizing a procedure for simplifying an expression involving rational exponents. The only materials necessary to implement this lesson are these documents and a graphing calculator. The activity can be completed by individual students or small groups. By the end, students can answer the focus question "What does it mean to raise a number to a rational exponent?"