A course of study in arithmetic emphasizing the use of instructional aids for grade five, Ludlow, Massachusetts.

Brow, Earl D.2014-11-172014-11-1719541954b14675997https://hdl.handle.net/2144/9517Thesis (Ed.M.)--Boston Universityen-USBased on investigation of the BU Libraries' staff, this work is free of known copyright restrictions.A course of study in arithmetic emphasizing the use of instructional aids for grade five, Ludlow, Massachusetts.Thesis/Dissertation