切实抓好运算技能的训练昆明市五里多小学陈莉运算技能的训练是小学数学教学的重要任务之一，教师应不断改进教学方法，在训练技能，培养学生良好的学习习惯方面下功夫。现就分数、小数四则混合运算的教学实践，谈几点这方面的体会。１抓好应用概念、法则的训练。“分数、... Effectively grasp the training of computing skills Kunming Wuli Du Primary School Chen Li computing skills training is one of the important tasks in primary school mathematics teaching, teachers should continue to improve teaching methods, training skills and cultivate good learning habits of students work hard. Now on the fractional, fractional four mixed computing teaching practice, talk about a few experiences in this area. 1 Do a good job application concepts, rules of training. "fraction,...