00719nam a2200229Ia 4500001000700000003000500007005001700012008004100029010001500070035002000085040001300105050002200118082001000140100001800150245004600168250001200214260003900226300004700265500009200312504002900404650005600433169068BIBL20240215101508.0701008s1978    mauah    b    001 0 eng    a 73102754   a(OCoLC)00108727  aDLCcDLC0 aQA135.5b.K7 1978  a372.71 aKramer, Klaas10aTeaching elementary school mathematics /   a4th ed.  aBoston:bAllyn and Bacon,c[1978].  aviii, 525 p. :billus., facsims. ;c24 cm.  aFirst ed. published in 1966 under title: The teaching of elementary school mathematics.  aIncludes bibliographies. 0aMathematicsxStudy and teaching (Elementary)2Local