“除数是整数的小数除法”是五年级上册第三单元第一课时的内容,它是在学生已经掌握了整数除法的意义和计算方法、小数的意义和性质等基础上进行的学习。在教学设计时,根据农村小学生的特点,结合学校“三段六环节”课堂教学模式,让学生在新课前复习整数除法,再学习新内容,使学生容易找到新知的生长点,利用已有的知识和经验来解决问题。在课堂中,利用自学、自展、自评、争当小老师等环节将课堂大胆放手给学生,体 “Divisor is a fractional division of integers ” is the content of the first lesson of the third unit of the fifth grade, which is based on the students have mastered the meaning and calculation of integer division, the meaning and nature of the decimal based on the study. In teaching design, according to the characteristics of rural primary school students, combined with the school “three sections and six links ” classroom teaching mode, so that students review the integer division before the new class, and then learn new content, so that students can easily find new growth points, the use of Existing knowledge and experience to solve the problem. In the classroom, the use of self-study, self-exhibition, self-evaluation, strive for a small teacher and other aspects of the classroom boldly let go of the students, body