《数学课程标准(2011年版)》指出:“教学活动是师生积极参与、交往互动、共同发展的过程。有效的教学活动是学生学与教师教的统一,学生是学习的主体,教师是学习的组织者、引导者与合作者。”所谓有效教学,主要是指通过在一段时间的教学之后,学生所获得的具体的进步或发展。也就是说,学生有无进步或发展是教学有没有效益的唯一指标。下面就如何提高教学的有效性谈几点思考。 “Mathematics Curriculum Standard (2011 Edition)” states: “Teaching activities are the process in which teachers and students actively participate, interact, and develop together. Effective teaching activities are the unification of student learning and teacher education, students are the main body of learning, and teachers are Learners and collaborators of learning. ”The so-called effective teaching, mainly refers to the specific progress or development of students through the teaching after a period of time. In other words, whether or not students progress or develop is the only indicator of the effectiveness of teaching. Here to talk about how to improve the effectiveness of teaching about a few ponders.