01055cam a2200277   45000010008000000030008000080050017000160080041000330100017000740200015000910400027001060500023001330820015001561000019001712450133001902500012003232600036003353000035003715000149004065040029005556500049005847000078006337000023007117000022007347000021007564569212BD-DhUL20191210142427.0740620s1975    nyua     b    001 0 eng    a   74012122   a0070404224  aDLCcDLCdDLCdBD-DhUL00aQA135.5b.M36 197500a372.7bMAT1 aMarks, John L.10aTeaching elementary school mathematics for understanding /cJohn L. Marks , C. Richard Purdy,  B. Lucien Kinney, Arthur A. Hiatt  a4th ed.  aNew York :bMcGraw-Hill,c1975.  aviii, 406 p. :bill. ;c25 cm.  aFirst ed. published in 1958 under title: Teaching arithmetic for understanding. Previous editions by J. L. Marks, C. R. Purdy, and L. B. Kinney.  aIncludes bibliographies. 0aMathematicsxStudy and teaching (Elementary)1 aMarks, John L.tTeaching elementary school mathematics for understanding.1 aPurdy,  C. Richard1 aLucien B., Kinney1 aHiatt, Arthur A.