“…For reasons of brevity, I summarise the early years curriculum in our Developmental Education approach in the following points (related to the principles laid out above, see also van Oers, 1999avan Oers, , b, 2001van Oers, , 2003van Oers, , 2004): ▪ children's learning is embedded in a play-based curriculum: in the context of manipulative or role play, some of the children's actions are articulated by the teacher and if possible imbued with mathematical meaning in the communication between teacher and child; with respect to didactics, the curriculum is fairly consistent with the starting points of realistic mathematics education (see for example, Goffree, 1993;Freudenthal, 1991); ▪ in the role-play activities, children imitate cultural practises (like supermarket, barbershop, travel agency, restaurant, etc. ), which form contexts for (mathematical) learning; ▪ learning is closely related to learning to communicate, i.e., to appropriating means for communication over specific objects in particular practises (e.g., in the context of the post office, children learn to communicate in culturally acceptable ways about money, stamps, prices, numbers, trading, etc.…”