所谓分层作业是指教师把过去内容、标准、模式、分量都相同的作业按照难度、题型、分量等分成A、B、C等层次,使各个水平的学生都能选出适合自己的作业。对于数学教学来说,教师要以学生的数学知识结构、个体差异为依据,从学生的实际能力出发,将学生划分成不同的层次,有针对性设置学习目标和教学要求, The so-called stratified operation refers to the teacher in the past content, standards, patterns, components are the same job according to the difficulty, type, weight and other levels into A, B, C level, so that students of all levels can choose the appropriate job . For mathematics teaching, teachers should take students’ mathematical knowledge structure and individual differences as the basis, starting from the actual ability of students, dividing students into different levels, setting learning objectives and teaching requirements pertinently,