The "Arriba "Student Activities Manual includes "workbook" activities as well as audio- and video-based activities for each chapter of the text. The activities are integrated and organized to mirror the corresponding textbook chapter. Each chapter of the manual includes a "Letras y sonidos"section, two "Cuanto sabes tu?"sections, comprehensive activities on the "Observaciones"video segments, and an extended "Nuestro mundo "section. The contents of this manual are also available in online formats.