"As a mathematics teacher, you know engaging students can be a challenge. Students struggling with mathematics may feel under supported in the classroom and easily frustrated, undermining their academic progress. But what if there is a way to keep students engaged in learning mathematics while fostering a sense of belonging? In Common Denominators: Cultivating Engagement and Belonging in Secondary Mathematics, Jennifer A. Lenhardt guides teachers on shaping equitable mathematics classrooms by evaluating the beliefs and practices that result in frustration. With her 33 research-backed strategies and personal stories, teachers can resolve unproductive power dynamics, promote emotional literacy, and create a classroom environment conducive to optimal learning"--