Today's mathematics :
Heddens, James W., 1925-
Today's mathematics : concepts, methods, and instructional activities. - 11th ed. / James W. Heddens, William R. Speer. - Hoboken, NJ : Wiley, c2006. - xvii, 421 p. : ill. ; 28 cm. + 1 CD-ROM (4 3/4 in.). - Wiley/Jossey-Bass education .
Includes bibliographical references and index.
0-471-14984-5 9780471149842
2004065767
Mathematics--Study and teaching (Elementary)
/ .H43 2006
372.7 HED
Today's mathematics : concepts, methods, and instructional activities. - 11th ed. / James W. Heddens, William R. Speer. - Hoboken, NJ : Wiley, c2006. - xvii, 421 p. : ill. ; 28 cm. + 1 CD-ROM (4 3/4 in.). - Wiley/Jossey-Bass education .
Includes bibliographical references and index.
0-471-14984-5 9780471149842
2004065767
Mathematics--Study and teaching (Elementary)
/ .H43 2006
372.7 HED