00884nam a2200229Ia 4500001000700000003000500007005001700012008004100029010001700070035002000087040003500107050001600142082001200158100004100170245015200211260007000363300004000433500005800473502005200531504002800583650004300611113565BIBL20160527183618.0770813s1946 xx 000 0 eng c aa 47003514  a(OCoLC)03184745 aCatholic univ. of AmericacOCP aQA137b.S43 a411.40710aSebold, Mary Theodinecsister2Local00aLearning the basic concepts in fractions and their application in the addition and subtraction of simple fractionscby Sister Mary Theodine Sebold.0 aWashington, D.C.bThe Catholic university of America pressc1946. a88 p. incl. tables, diagrs.c23 cm. aAt head of title: The Catholic university of America. aThesis (PH.D.)--Catholic university of America. aBibliography: p. 83-88. 0aFractions.xStudy and teaching.2Local