This one-page quiz is designed to go beyond basic calculations, challenging students' proportional reasoning in five diverse and engaging problems. Dual Language Ready: Includes a complete, high-quality Spanish translation ("Prueba sorpresa de tasa unitaria") directly within the file, making it ideal for bilingual classrooms, Spanish-speaking students, or as a resource to share with families.Rigor & Depth: Problems require students to analyze proportional relationships in a table and then solve