Building mathematics skills /
Richard A. Denholm ... [et al.] ; edited by Robert B. Davis and Robert H. Sorgenfrey.
- Lombard ; Illinois : Riverside, c 1980.
- 341 p. : ill. ; 27 cm.
- Riverside mathematics series .
Includes index.
0-8292-0005-3
Mathematics -- Study and teaching (Primary).
Mathematics -- Study and teaching (Elementary).
510 / D414b
Includes index.
0-8292-0005-3
Mathematics -- Study and teaching (Primary).
Mathematics -- Study and teaching (Elementary).
510 / D414b