教学过程是一个动态的可控制的系统,反馈是控制的基本方法。小学生由于认识能力限制,对所学知识常常不能一下子就获得正确认识,往往要经历错误和失败。教师要认真分析产生错误的原因,及时而有针对性的进行反馈矫正,帮助学生认识错误,改正错误。我在教学分数的意义之后,出示了这样一道题: Teaching process is a dynamic and controllable system, and feedback is the basic method of control. Because of their limited ability to understand, primary school students often fail to gain a correct understanding of what they have learned, often through errors and failures. Teachers should carefully analyze the causes of errors, timely and targeted feedback correction, to help students recognize and correct mistakes. After the meaning of teaching marks, I showed the following question: