This product is part of Unit 3 (Doubling Time & Half Life). Get the full unit or even better, the full year below: Algebra 2 Full Year Curriculum (lessons, Homework, Reviews, Assessments, Answer Keys, All editable)This Algebra lesson introduces students to doubling time and half-life as applications of exponential growth and decay. Through clear instruction, guided examples, and structured practice, students learn how to determine the time it takes for a quantity to double or decrease by half u