数学重点考点大纲(4-5年级)板块重点内容比率与比例关系理解比率概念,运用比率推理解决问题ColumnA:32ouncesofdetergentcost$3.20.ThepriceperounceColumnB:24ouncesofdetergentcost$2.40.Thepriceperounce数字运算运用分数的加减乘除解应用题ColumnA:Thenumberof3/4-cupservingsin12/3cupsColumnB:21/2cups运用公倍数和公约数分清有理数和无理数表达式和方程理解代数方程和表达式ColumnA:Forxandy,wholenumbers,thevalueof2x+2y+2ColumnB:Forxandy,wholenumbers,thevalueof2(x+3)+(2y-1)利用运算性质解一元不等式和方程理解根号,指数表达式和方程理解线性方程函数定义和比较函数ColumnA:Threepointsonaline:(0,-1),(1,2),(x,8).ThevalueofxColumnB:Threepointsonaline:(-2,-7),(1,2),(x,5).Thevalueofx使用函数来建模数量之间的关系几何学利用面积,表面积和体积解决应用题绘制、构造和描述几何图形,并描述它们之间的关系ColumnA:A60°angleisrotated15°counterclockwise.ThemeasureoftheresultingangleColumnB:60°理解和运用勾股定理运用圆柱,圆锥和球体的体积ColumnA:Thevolumeofaspherewitharadiusof10centimetersColumnB:Thevolumeofacylinderwitharadiusof10cenmetersandaheightof10centimeters概率理解统计变量ColumnA:Themeanofthelist7,4,6,3,5ColumnB:Themedianofthelist7,4,6,3,5开发、使用和评估概率ColumnA:Philliptosses3coins.Theprobabilityoftheresultbeingeither3headsor3tailsColumnB:Deedrarolls3cubesnumbered1through6.Theprobabilityofrollingeither3onesor3sixes