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低年级百以内十步、两步加减计算能力是终身要用的最基础的能力,必须力争正确率百分之百,否则不仅在实际生活中会造成损失与麻烦,而且到三、四年级学多位数四则运算时,难以过关。低年级学生常见的错误,大多数是由于年龄小、感知能力弱而造成的,通常是粗心错误,一般经过练习订正,都能逐步纠正,但效果总不理想,学生学得比较被动。近来,我改变了教法,采用让学生自己发现错误,自己找出错误的原因或规律,再在老师帮助下自己找出纠正错误的方法。这样做增强了学生的主
Less than one hundred in the lower grade hundred steps, plus or minus two-step calculation ability is the most basic ability to use for life, we must strive to correct one hundred percent, otherwise not only in real life will result in loss and trouble, and to grade three or four Number of four arithmetic, it is difficult to pass. The common mistakes of students in lower grades are mostly caused by their young age and their weak cognitive abilities. They are usually careless mistakes. Generally, they can be gradually corrected after they practice their exercises. However, their effects are not always satisfactory and their students are more passive in learning. Recently, I changed the teaching method, using the students to find their own mistakes, find out the reasons for their own errors or laws, and then find out with the help of the teacher to correct their mistakes. This reinforces the student's mastership