Page, David A.
Number lines, functions, and fundamental topics : mathematics for elementary school teachers / David A. Page. - New York : Macmillan, c1964. - ix, 283 p. : ill.
Arithmetic--Study and teaching (Elementary).
Number line.
Number lines, functions, and fundamental topics : mathematics for elementary school teachers / David A. Page. - New York : Macmillan, c1964. - ix, 283 p. : ill.
Arithmetic--Study and teaching (Elementary).
Number line.