Making arithmetic meaningful
Brueckner, Leo J.
Making arithmetic meaningful by Leo J. Brueckner and Foster E. Grossnickle. - Philadelphia Winston [1953] - 570 p. illus. 22 cm.
53003914 /L
Arithmetic--Study and teaching.
QA135 / .B889
372.7
Making arithmetic meaningful by Leo J. Brueckner and Foster E. Grossnickle. - Philadelphia Winston [1953] - 570 p. illus. 22 cm.
53003914 /L
Arithmetic--Study and teaching.
QA135 / .B889
372.7