“竖起剪的”,您可能认为这是哪位同学在美术或剪纸课上的话语,但这却是我的学生在一次数学课上的回答,它引来了其他同学和听课老师的哄堂大笑,也引起了我的思考。下面是我执教苏教版《教学》一年级(下册)“求两数相差多少的实际问题”的教学片断:师出示相同宽、红长、白短两条 “Scissor-cut,” which of you might think this is a classmate’s talk in art or paper-cut, but it’s my student’s answer in a math class that drew the joke of other classmates and lecturers Laugh, but also caused my thinking. The following is my teaching coaching Sujiao version of “teaching” first grade (second volume) “seeking the difference between the two numbers of practical problems,” the teaching piece: division to show the same width, red long, white short two