Hands-on math :
Stone, Janet I.
Hands-on math : manipulative math for young children / Janet I. Stone ; photography by Norma Stone and Michele Goldin. - Glenview, Ill. : Scott, c1990. - xii, 148 p. : il. ; 28 cm. - A Good year book .
0673384632
90119892
Matemáticas--Estudio y enseñanza(Primaria).
Mathematics--Study and teaching (Primary)
QA135.5 / .S774 1990 QA135.5 / S865 1990
372.7/044
Hands-on math : manipulative math for young children / Janet I. Stone ; photography by Norma Stone and Michele Goldin. - Glenview, Ill. : Scott, c1990. - xii, 148 p. : il. ; 28 cm. - A Good year book .
0673384632
90119892
Matemáticas--Estudio y enseñanza(Primaria).
Mathematics--Study and teaching (Primary)
QA135.5 / .S774 1990 QA135.5 / S865 1990
372.7/044