The book helps the teachers to guide teaching process and lead tasks solutions, formulates the goals of particular tasks, environments and whole textbook. It inspires teachers for differentiated approach to teaching through graded tasks, which focuse both to pupils with difficulties and to advanced pupils.
It provides the list of suitable teaching aids, didactical games which can enrich the lessons. It provides basic theoretical framework for Hejný's method, overview of solving strategies, examples of diagnostic tests accompanied by comments.
It offers expected outcomes according to RVP and tasks solutions. For easier orientation the index of concepts is added.