00490nam a2200193Ia 450000500170000000800410001702000140005804000190007204100120009108200150010310000190011824500410013726000250017830000110020344000210021450400260023565000250026185000100028620240528111115.0131103s9999    xx            000 0 und d  a713184698  aLoreto College  aEnglish  a510.7bMER  aMerttens, Ruth  aTeaching primary mathcRuth Merttens  aLondonbEdwardc1989  a181p.   aTeaching matters  aIncludes bibliography  aMathematics - method  aLCBED