$Math activities for every month of the school year$
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Math activities for every month of the school year

Bibliographische Detailangaben
1. Verfasser:	Helton, Sonia M. 1937-
Format:	Buch
Sprache:	English
Veröffentlicht:	West Nyack, N.Y. Center for Applied Research in Education c1991.
Schlagworte:	Mathematics > Study and teaching (Elementary).