00419nam a2200157Ia 450000500170000000800460001703700120006304000200007504100130009508400210010810000230012924500430015225000080019526000450020330000130024820250508160930.0008  250505s9999    xx            000 0 eng d  aTextual  aFEDLbengcFEDL  aeng2eng  a510.7, COPqFEDL  aCopeland Richard W 0aMathematics and the elementary teacher  a3rd  aPhiladelphiabW B Saunders Companyc1976  axi,405p.