000 00689nam a2200241 a 4500
005 20210219153241.0
008 991125n 000 0 eng u
035 _aUPN01000085851
100 _aHiebert, James
222 _aJOURNAL FOR RESEARCH IN MATHEMATICS EDUCATION
245 _aLinks between teaching and learning place value with understanding in first grade
300 _a98-122
362 _a1992 23, no. 2
653 0 _aADICION
653 0 _aENSE\197ANZA MATEMATICA
653 0 _aMATERIALES MANIPULABLES
653 0 _aMETODOS DE ENSE\197ANZA
653 0 _aPLACE VALUE
653 0 _aRESTA
700 _aWearne, Diana
904 _aAC
_b023662
905 _aArticulo
999 _c72091
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