1 item foundYou searched for: Subject: Other✖Subject: Mathematics✖Subject: Textbook✖Type: Publication✖This SiteAll Sites TableGridIndex CatalogCollectionCreatorDateIdentifierObject IDPlacePublisherSubjectTitleTypemodified date 102550100200 AllWith Images Refine Your SearchRefine Your SearchSubjectOther✖ArithmeticMathematics✖Textbook✖TypePublication✖BookPlacenoneDate1850s Item 13852 A Key to the National Arithmetic Exhibiting the Operation of the More Difficult Questions in that Work: For the Use of Teachers Only