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教学目标:1.了解发明创造可以采取加加减减的方法,激发学生对科学发明的浓厚兴趣。同时让他们领悟到“快乐做加法,痛苦做减法”的人生真谛。2.知道写好一项活动可以采取加入自己心里活动,减去重复琐碎情节的方法,使文章更具体、生动。教学过程:一、数学中的加减法——引入新课师:同学们,今天我们上一节作文课。先看老师在屏幕上出示的题目。师:25+35=?得数是多少?
Teaching Objectives: 1. Understanding of inventions and innovations can be added and subtracted ways to stimulate students’ interest in scientific inventions. At the same time let them realize that “happy to do addition, pain subtraction ” the true meaning of life. 2. know that writing an activity can take to join their own activities, minus repeated trivial ways to make the article more specific and vivid. Teaching process: First, the addition and subtraction in mathematics - the introduction of a new class teacher: students, today we have a composition class. Look at the teacher on the screen to produce the title. Teacher: 25 + 35 =? What is the number?