Understanding the structure of elementary school mathematics /
Fendel, Daniel M.
Understanding the structure of elementary school mathematics / Daniel M. Fendel. - Boston : Allyn and Bacon, c1987. - xx, 488 p. : ill. ; 24 cm.
Includes index.
020508821X
86017333 //r89
Mathematics.
QA107 QA107 / .F46 1987 / .F46
372.7
Understanding the structure of elementary school mathematics / Daniel M. Fendel. - Boston : Allyn and Bacon, c1987. - xx, 488 p. : ill. ; 24 cm.
Includes index.
020508821X
86017333 //r89
Mathematics.
QA107 QA107 / .F46 1987 / .F46
372.7