Tiffany Baldwin, 1st-grade teacher in the Alhambra Elementary School District in Phoenix, Arizona, stood in front of her class ready to begin a language arts lesson that would assist her students in understanding the word “adventure” by comparing and contrasting characters within a story. She felt fully prepared. She had identified a possible misconception the students might have about the word, and she had a backup plan in case the lesson didn’t go as anticipated. As the lesson progressed, Baldwin realized that most of the class was struggling to understand the concept, and she immediately implemented her backup plan. She repeated the definition, showed additional examples, asked her students to think about a ride they had been on and how it made them feel, and