Lusage de la compensation additionner-soustraire et multiplier-diviser par les eleves de onze ans Agnieszka Demby OriginalPaper Pages: 239 - 249
Some remarks on creating mathematical concepts Irena Trzcieniecka-Schneider OriginalPaper Pages: 257 - 264
On the numerical competence of six-years-old children Aleksandra Urbańska OriginalPaper Pages: 265 - 275
The King Alfred's College Maths Game: Problem solving and mathematical activity Irith ShillorBridget Egan OriginalPaper Pages: 313 - 317