00754cam a2200253 4500 1243849 BD-DhUL 20140822124849.0 730314s1973 nyua b 000 0 eng 72080894 DLC DLC DLC BD-DhUL n-us--- QA13 .K62 510.9 KLW Kline, Morris, 1908-1992. Why Johnny can't add : the failure of the new math / Morris Kline New York: St. Martin's Press, c1973 173 p. : illus. ; 22 cm. $6.95 Bibliography: p. 171-173. Mathematics Study and teaching United States. 7 cbc orignew 2 opcn 19 y-gencatlg ddc BK 5200 5200 0 0 ddc 0 510_900000000000000_KLW 0 NFIC 9083 DUSL DUSL GEN 2014-08-22 510.9 KLW A253482 2014-08-22 1 2014-08-22 BK