00738nam a2200217Ia 450000100070000000500170000700800410002402000150006505000190008011000480009924500700014726000300021730000350024749000190028249000630030150400410036465000440040565000330044970000150048270000230049725347820231212154838.0040514s1999    aa adklfrb    001 0 eng d  a087353466200aQA 1b.N3 19992 aNational Council of Teacher of Mathematics.10aDeveloping Mathematical Reasoning in Grades k-12 /cLee V. Stiff.  aReston, VA:bNCTM,c1999.  aviii, 288 p. :bill. ;c24 cm. 0aYearbookv1999 0aYearbook National Council of Teacher of Mathematicsv1999.  aIncludes bibliographical references. 0aMathematicsxStudy and teaching.2Local 0aReasoning Psychology.2Local10aStiff, Lee10aCurcio, Frances R.