00956nam a2200253Ia 4500 113565 BIBL 20160527183618.0 770813s1946 xx 000 0 eng c a 47003514 (OCoLC)03184745 Catholic univ. of America OCP PUXA QA137 .S43 411.407 Sebold, Mary Theodine sister 275453 Local Learning the basic concepts in fractions and their application in the addition and subtraction of simple fractions by Sister Mary Theodine Sebold. Washington, D.C. The Catholic university of America press 1946. 88 p. incl. tables, diagrs. 23 cm. At head of title: The Catholic university of America. Thesis (PH.D.)--Catholic university of America. Bibliography: p. 83-88. Fractions. Study and teaching. 98388 Local 94902 94902 0 0 0 511_407000000000000_S443 0 evl 31152 10 10 1 2016-05-27 173491 0 511.407 S443 80000001226094 2016-05-27 00:00:00 r:113565 z:NCC:D 6