数学教学应在培养学生主动学习知识的同时,实践能力也得到培养。“尝试教法”即教师先不教新内容,而是先让学生将新内容当作练习题试一试,学生在尝试中学习。教学中则应用“激趣设疑、启疑导思、解疑展疑”三个环节,逐步引导学生探讨疑问、解决疑问、拓展问题的过程,从而达到掌握知识,发展智能。下面以“一辆自行车的速度是20千米/小时,一辆汽车每小时行使的速度比自行车多行60千米,一列动车组行使的速 Mathematics teaching should cultivate students’ active learning knowledge, while practical ability has also been cultivated. ”Try teaching “ that teachers do not teach new content first, but let students try the new content as an exercise, students try to learn. In the teaching, the students are encouraged to explore the process of questioning, problem solving and problem-solving in order to achieve mastery of knowledge and development of intelligence. The following is a ”bicycle speed of 20 km / h, a car per hour to exercise more than 60 kilometers more than a bicycle, an EMU exercise speed