The authors developed an instructional nudges as part of a larger research project. These instructional nudges are designed to be small but powerful changes to teachers' existing practices. Some instructional nudges focus on modifying tasks used in classrooms. In this article, the authors share Rate and Review. The goal of Rate and Review is to support students in understanding that there are alternative solution strategies to what they might be used to using, provide students the opportunity to become more comfortable creating mathematical arguments, and develop a deeper understanding of a concept. Rate and Review provides formative assessment for teachers by supporting their reflections on students' understanding of current content and how students are making sense of common errors.