Information about the title: The workbook and exercise book provide children with many additional learning and practice opportunities beyond the book, thus relieving the teacher in lesson preparation. Information about the series: "Rechenwege" invites children to engage in active, discovery-based learning—either individually or in groups. Self-directed learning and the development of learning competencies are prioritized from the very beginning: children develop their individual calculation methods themselves. Based on their prior knowledge, children predominantly explore complex subject areas in a holistic manner. The materials consistently encourage self-assessment and self-evaluation. This is what the current edition of "Rechenwege" offers. The parallel structure of Student Books 1 and 2 makes it optimal for mixed-age or heterogeneous learning groups. Identification of the levels of educational requirements.