01223cam a22003494a 4500 12375626 OSt 20260129100016.0 010410s2001 caua 001 0 eng 2001002161 0941355330 alk. paper 9780941355339 (alk. paper) 12375626 DLC DLC DLC pcc QA117 .B87 2001 372.7/2 21 Burns, Marilyn, 1941- Lessons for introducing fractions : grades 4-5 / Marilyn Burns. Sausalito, Calif. : Math Solutions Publications, c2001. xiv 174 p. : ill. ; 28 cm. text txt rdacontent unmediated n rdamedia volume nc rdacarrier Teaching arithmetic Includes index. Fractions Study and teaching (Primary) 7 cbc orignew 1 ecip 20 y-gencatlg lcc BK 265801 265800