数学评讲要就题论理昆明市西山区红联小学沙志昭课堂评讲是数学教学的基本方法之一。学生学习知识的过程和结果，往往会与教师的主观愿望有差距，甚至出现错误，这是教学中的正常现象。教师应针对所出现的差距或错误进行评讲．从而引导学生学会知识。评讲不是课堂教学简单... Comments on mathematics to comment on the topic Xishan District, Honglian Primary School Sandhi Zhao classroom evaluation is one of the basic methods of mathematics teaching. Students learn the process and result of knowledge, often with the teacher's subjective desire to have a gap, or even mistakes, which is a normal phenomenon in teaching. Teachers should comment on the gaps or errors that occur. To guide students to learn knowledge. Comment is not a simple classroom teaching ...