00707nam a2200229Ia 4500 39880 BIBL 20160527200214.0 741113s1974 maua b 00110 eng 73019074 0669845825 EVLG 372.7 G796e c1 QA135.5 .G675 372.7 372.7 G796e Green, George F. 230722 Local Elementary school mathematics activities and materials George F. Green, Jr. Lexington, Mass. Heath [1974] xiii, 512 p. ill. 24 cm. Includes bibliographies and index. Mathematics Study and teaching (Elementary) 132758 Local 30475 30475 0 0 0 372_700000000000000_G796E 0 evl 295536 10 10 1 2016-05-27 55029 0 372.7 G796e 80000000620362 2016-05-27 00:00:00 r:39880 z:NCC:D 6