I remember learning about linear equations in high school over 20 years ago. We were taught only one way to do linear equations and be successful by answering question after question until we understood the method. Over the years, some knowledge is lost, and relearning is a common practice of mine as an educator. But, I have to relearn material, usually the same material, every year. It feels like I do not have the memory capacity to retain the information. Yet, I have learned more about linear equations than I have my entire life in the past hour. To visually see the variations in the slopes on one graph allowed me to understand the concept being taught without further instruction. I can also see how a teacher can differentiate this activity to help all learners.