Unified mathematics
Fass, Arnold L.
Unified mathematics content, methods, materials for elementary school teachers Arnold L. Fass, Claire M. Newman. - Lexington, Mass. Heath [1975] - xii, 464 p. ill. 25 cm.
Includes index.
Bibliography: p. 447-452.
0669893595
74010348 //r85
Mathematics--Study and teaching (Elementary)
QA135.5 / .F35
510
Unified mathematics content, methods, materials for elementary school teachers Arnold L. Fass, Claire M. Newman. - Lexington, Mass. Heath [1975] - xii, 464 p. ill. 25 cm.
Includes index.
Bibliography: p. 447-452.
0669893595
74010348 //r85
Mathematics--Study and teaching (Elementary)
QA135.5 / .F35
510