Negative exponents can be tricky, but this resource makes a mathematical conundrum an easier concept to grasp by relating the concept of exponents to the amount of time a plant has been owned. Fifth, sixth, and seventh graders will enjoy this work page with its structured questioning that leads learners to the next answer. Although a complete lesson plan is not attached, the video in the additional materials link provides background insight to teachers about what the pages were designed to teach and an example of how to structure the information for the class.