00481nam a2200157Ia 450000100060000000300050000600500170001100800410002810000300006924500510009926000440015030000230019450000220021750400410023965000430028084815BIBL20160527203640.0720224s1948    maua     b    00110 eng  10aSpitzer Herbert F.2Local14aThe teaching of arithmeticcHerbert F. Spitzer0 aBostonbHougton Mifflin Companycc1948.  aviii, 397 p.bill.  aIncludes indexes.  aIncludes bibliographical references. 0aArithmeticxStudy and teaching.2Local