01006nam a22002297a 4500003000400000005001700004008004100021020001500062040002900077050001900106100012600125245005900251260006200310300005400372650006800426650007300494650005200567650006400619650003200683650002600715700003500741OSt20260605131129.0260605b |||||||| |||| 00| 0 eng d a0873535758 cChuka University Library aQA 13 .N3 2005 aRachlin Sid, Kathleen Cramer, Connie Finseth, Linda Cooper Foreman, Dorothy Geary, Seth Leavitt and Smith Margaret Schwan aNavigating through Number and Operations in Grades 6-8 aRestonbNational Council of Teachers of Mathematicsc2005 aix,161P in Various PagingsbColored Illustrations aMathematics--Study and Teaching [Middle School]-- United States aMathematics-- Study and Teaching [Middle School]-- Activity Programs aNumeration-- Study and Teaching [Middle School] aNumerical Calculations-- Study and Teaching [Middle School] aProblem Solving in Children aReasoning in Children aSusan N. Friel, Peggy A. House