00918nam a2200265 i 450099100148690970753620020507194336.0960827s1973 us ||| | eng b10854083-39ule_instLE01312984ExLDip.to Matematicaeng510AMS 00A35Kline, Morris1118Why Johnny can't add :the failure of the New Math /Morris KlineNew York :St. Martin's Press,1973173 p. ;22 cm.Didactis of mathematicsMethodology of mathematics.b1085408320-03-0728-06-02991001486909707536LE013 00A KLI13 (1973)12013000056159le013-E0.00-l- 03030.i1096574928-06-02Why Johnny can't add918533UNISALENTOle01301-01-96ma -engus 01