在教学六年级分数应用问题时,不管使用哪种版本的教材,老师们会遇到以下这样的问题:两根同样长的钢管,第一根用去2/5,第二根用去2/5米,哪一根用去的长一些?(参见苏教版教材第11册第51页的思考题)上述问题,如果就题论题的话,用上几分钟的时间就能够将这道题讲完。多年的教学实践表明,仅仅这样讲一讲,学生后续出现的错误仍然较多,特别是 When applying for sixth graders, no matter which version of the textbook you are using, teachers have the following problems: Two identical steel tubes, one for 2/5, one for 2 / 5 meters, which one to go with a longer? (See Su Jianban textbook eleventh volume on page 51 of the question of thinking) the above questions, if the title of the topic, then spend a few minutes to be able to talk about this issue Finish. Many years of teaching practice shows that, just to talk about this, students follow-up errors still more, especially