000 | 00749nam a2200241 a 4500 | ||
---|---|---|---|
005 | 20210219153310.0 | ||
008 | 991125n 000 0 u | ||
035 | _aUPN01000089973 | ||
100 | _aThompson, Patrick W. | ||
222 | _aJOURNAL FOR RESEARCH IN MATHEMATICS EDUCATION | ||
245 | _aNotations, conventions, and constraints : contributions to effective uses of concrete materials in elementary mathematics | ||
300 | _a123-147 | ||
362 | _a23, No. 2, 1992 | ||
505 | _aJunio 1992 | ||
653 | 0 | _aDESARROLLO COGNOSCITIVO | |
653 | 0 | _aEAC | |
653 | 0 | _aENSE\197ANZA MATEMATICA | |
653 | 0 | _aFRACCIONES DECIMALES | |
653 | 0 | _aMATERIALES MANIPULABLES | |
653 | 0 | _aNUMEROS ENTEROS | |
904 |
_aAC _b027784 |
||
905 | _aArticulo | ||
999 |
_c73475 _d73475 |