00546nam a2200193Ia 450000500170000000800410001702000130005804000190007104100120009008200150010210000180011724500720013526000430020730000220025050400300027265000230030270000170032585000100034220240528095046.0131103s9999    xx            000 0 und d  a39101207  aLoreto College  aEnglish  a510.7bTHY  aThyer, Dennis  aTeaching Mathematics to young childrencDennis Thyer and John Maggs  aLondonbholt, rinehart & winstonc1971  axii,266p.b ills.  aIncludes appendix & index  aMathematics-Method  aMaggs, John   aLCBED