00751cam a22002411 45000010008000000030008000080050017000160080041000330100017000740350018000910400045001090420012001540500018001660820016001841100049002002450051002492600023003003000032003234900022003555040029003776500037004068300066004436083358BD-DhUL20140821113210.0721226s1959 dcua b 000 0 eng  a 60001738  a(OCoLC)523814 aDLCcODaWUdOCoLCdWaChenEdDLCdBD-DhUL apremarc00aQA1b.N3 24th a510.1bG8842 aNational Council of Teachers of Mathematics.14aThe Growth of mathematical ideas, grades K-12. aWashington,c1959. ax, 507 p. :bill. ;c24 cm.1 aIts Yearbook,v24 aIncludes bibliographies. 0aMathematicsxStudy and teaching. 0aYearbook (National Council of Teachers of Mathematics) ;v24.