【课前思考】《把假分数化成整数或带分数》是苏教版五年级下册的教学内容。通常,教师直接呈现例7,让学生把提供的假分数化成整数,进而交流能化成整数的假分数分子与分母的关系和化的方法。接着引出带分数,介绍带分数的意义,示范带分数的读、写。最后,通过例8,教学把假分数化成带分数的方法。整个过程,总体还比较顺畅,但对学生来说,这样的认知活动似乎理性有余而趣味不足,没 [Thinking before class] “False points into an integer or with a fraction” is the second edition of the Soviet version of teaching content. Normally, the teacher presents Example 7 directly so that the student can divide the provided fake fractions into integers and then communicate the relationship and summation of the fake fraction numerators that can be rounded to integers. Then lead to the score with the introduction of the meaning of the score, the demonstration with reading and writing scores. Finally, through Example 8, teaching fake fractions into fractions. The whole process, the overall is relatively smooth, but for students, this cognitive activity seems to be more than enough rational and not interesting