“两步计算式题”一课,是乘、除两步计算的运算顺序和书写格式的教学。内容单调、机械,不易激起学生学习兴趣和诱发学生的思维。如何给这一内容添上“新”的色彩,使学生既能在生动活泼的气氛中学到新的知识,又能得到思维的训练呢?我在教学中进行了如下尝试。一、从数到式,一步步切入新课采用旧中求新、同中求异的办法,精心设计与新课既有联系又 The “two-step equation” is a lesson that multiplies, in addition to the two-step computation order and writing format. Monotonous content, mechanical, difficult to arouse students ’interest in learning and induce students’ thinking. How to add “new” color to this content so that students not only learn new knowledge in vivid and lively atmosphere, but also train their thinking? I have made the following attempts in teaching. First, from the number to type, step by step into the new lesson to use the old seeking new, with the same way, well-designed and new course both have contact