Revised Edition The revised edition of the World of Numbers has been developed precisely in accordance with the new educational plan for Baden-Württemberg. It places great emphasis on a clear structure, which facilitates orientation on each page as well as throughout the book. The various content areas in the student book are color-coded according to the content-related competencies of the curriculum. The process-related competencies to be acquired are identifiable in the table of contents. The tasks in the student book and in the accompanying materials are marked according to the three areas of demand of the educational standards. Through meaningful learning opportunities, children are encouraged to explore their own paths, articulate them, and reflect on them together. This creates a vocabulary repository that connects technical language and fundamental concepts. In terms of goal transparency, the children are...