I spent parts of my childhood tutoring mathematics personally to my family and friends, from memorizing the multiplication table to teaching calculus. During my freshmen year of high school, I tutored a middle-aged neighbor, who was enrolled in a math class at a community college, about evaluating fractions, and I made it easier for him to understand by simplifying the associations between the basic rules and the four mathematical operators on paper, so he was able to use it as a guide. I later