00546nam a22001457a 4500003000400000005001700004008004000021020001900061082001500080245009800095260006300193300001500256365000800271655012100279SNU20130115150320.0130115b       xxu||||| |||| 00| 0 eng d  a 9780873534802  a510.71 NCT  aPrinciples and standards for school mathematicscNational Council of Teachers of Mathematics.  aRestonb National Council of Teachers of Mathematicsc2000  axv, 402 p.  f719  bMathematicsb, Study and teaching b, United states -Standardb, and Principles and standards for school mathematics