In addition to teaching practices that favour individual work on the part of students, we suggest that whole-group
practices are needed to strengthen the social cohesion of the students and to support the cooperation of students in different
grades. The spiral curriculum is one possibility for such a practice, not only because of its social advantages but also because
of its potential to activate and utilize the readiness and range of knowledge of different types of learners. As Bruner’s (2006)
hermeneutical theories highlight, this method can range from intuitive to more formal structures