00930cam a22002534a 450000100090000000300040000900500170001300800410003001000170007102000280008804000180011604200080013404300120014205000200015408200180017410000480019224501190024026000480035930000590040750400640046665000680053070000260059870000520062413364117OSt20160810084145.0031006s2004    caua     b    001 0 eng    a  2003062039  a1930190948 (soft cover)  aDLCcDLCdDLC  apcc  an-us---00aQA13b.R83 200300a510/.71/22221 aRubenstein, Rheta N.q(Rheta Norma),d1947-10aTeaching and learning middle grades mathematics /cRheta N. Rubenstein, Charlene E. Beckmann, Denisse R. Thompson.  aEmeryville, CA :bKey College Pub.,cc2004.  axxvi, 326 p. :bill. ;c28 cm. +e1 CD-ROM (4 3/4 in.)  aIncludes bibliographical references (p. 319-321) and index. 0aMathematicsxStudy and teaching (Middle school)zUnited States.1 aBeckmann, Charlene E.1 aThompson, Denisse R.q(Denisse Rubilee),d1954-