00550nam a2200157Ia 4500 0 0 0 0 RIEBPL RIEBPL 2019-07-10 0 25775 2019-07-10 00:00:00 2019-07-10 BK 8306 8306 20191018115029.0 190710s9999 xx 000 0 und d eng 375.51 C8641 Crescimbeni, Joseph Teaching the new mathematics West Nyack, N V : Parker Publishing, 1966 xviii,205p. Curriculum |Teaching - Mathematics |Numeration |Arithmetic - Operations |Set theory |Games and enrichment |Mathematics - Teaching |Decimal fractions BK