Guide with teaching materials for teachers in elementary and special schools, subject: Mathematics, grades 1 - 4. Math difficulties (dyscalculia) in elementary school age are often not easy to recognize, as students often manage to stay afloat with hidden support strategies for a long time. However, once incorrect number and operation concepts have firmly established themselves, it becomes increasingly difficult to switch to meaningful calculation strategies. This is where this systematic, practice-tested support program comes in: Through the modular structure of the topics, you will work precisely on the area of support that the child currently needs, following an assessment of their learning status. From number concepts and the development of number ranges, simultaneous comprehension, to decomposition and analogy tasks, as well as secure mental arithmetic (addition and subtraction) without materials: The worksheets help to recognize patterns and relationships.