Contemporary mathematics for elementary teachers /
Fehr, Howard F. 1901-
Contemporary mathematics for elementary teachers / by Howard F. F ehr and Thomas J. Hill. - Chigago D.C. : Heath and Company, 1966. - xiii, 394 p. : ill. ; 24 cm.
Includes bibliography.
Arithmetic -- Foundations.
510.71 FEH
Contemporary mathematics for elementary teachers / by Howard F. F ehr and Thomas J. Hill. - Chigago D.C. : Heath and Company, 1966. - xiii, 394 p. : ill. ; 24 cm.
Includes bibliography.
Arithmetic -- Foundations.
510.71 FEH