Dr. Brittne Nelson Kakulla uses math to understand people and solve problems by comparing things, finding patterns and outliers, and classifying people and behaviors into groups. She explains how math can help solve a teacher's problem about whether to have a Fortnite dance-off by analyzing the affects, behaviors, and cognitions of students related to their ability and willingness to do different Fortnite dances. Dr. Kakulla believes math is a useful tool for understanding people and addressing various problems.