Halves, pieces, and twoths : constructing representational contextsin teaching fractions /

• 作者：DeborahLoewenberg Ball
• 出版者：National Center for Research on TeacherEducation
• 出版地：East Lansing, Mich :
• 語文：中文
• 叢書名：Craft paper ;
• 作者：BallDeborah Loewenberg
• 索書號：372.7