00652nam a2200169Ia 4500952009000000999001500090005001700105008004100122041000800163082001700171100002400188245003300212260004800245300001600293650016600309942000700475  00104070aRIEBPLbRIEBPLd2019-07-10l0p25775r2019-07-10 00:00:00w2019-07-10yBK  c8306d830620191018115029.0190710s9999    xx            000 0 und d  aeng  a375.51 C8641  aCrescimbeni, Joseph 0aTeaching the new mathematics  aWest Nyack, N Vb: Parker Publishing,c1966  axviii,205p.  aCurriculum a|Teaching - Mathematicsa|Numeration a|Arithmetic - Operationsa|Set theory a|Games and enrichment a|Mathematics - Teaching a|Decimal fractions   cBK