Hubelino getallen piramide prof. kortenkamp's leerblokken, 230dlg. SPAKEN Z.N. 13 X 274 ALPINA A 144 Practice between bed and kitchen

Practice between bed and kitchen table

matching any bicycle configuration

Format of 41 by 16 cm

Längge des decks: 26 cm

Hubelino getallen piramide prof. kortenkamp's leerblokken, 230dlg. SPAKEN Z.N. 13 X 274 ALPINA A 144 Practice between bed and kitchenWith the learning blocks of Professor Kortenkamp, primary school students can build real number pyramids, which they previously only knew on paper in their textbooks. It is a simple principle: the numbers of two blocks next to each other are added together the number on the block above. Numer pyramids have proven to be a productive task in the calculation lessons in primary school. The unique learning blocks of Professor Kortenkamp give a new