Arithmetic for teachers
Dutton, Wilbur H.
Arithmetic for teachers Wilbur H. Dutton, Colin C. Petrie, jt. auth., L.J. Adams, jt. auth. - 2nd ed. - New Jersey Prentice-Hall, inc. c1961, 1970 - xiii, 315p.: figs. ; 24cm
References at the end of chapters, index at the end
Arithmetic--study and teaching
513.7/D981a
Arithmetic for teachers Wilbur H. Dutton, Colin C. Petrie, jt. auth., L.J. Adams, jt. auth. - 2nd ed. - New Jersey Prentice-Hall, inc. c1961, 1970 - xiii, 315p.: figs. ; 24cm
References at the end of chapters, index at the end
Arithmetic--study and teaching
513.7/D981a