00474nam a2200169Ia 450000500170000000800410001704000190005804100120007708200130008910000180010224500980012026000260021830000150024465000160025970000190027585000100029420240521112458.0131103s9999    xx            000 0 und d  aLoreto College  aEnglish  a510bFLA  aFlavell, J.S.  aPrimary mathematicsb an introduction to the language of number cJ S. Flavell & B.B. wakelam  aLondonbMethuenc1965  a128pb ill  aMathematics  aWakelam, B. B.  aLCBED