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[活动目标] 1．通过一些活动的训练,培养学生的观察能力。 2．教会学生掌握观察的办法并能灵活运用。 [活动难点]使学生能灵活运用各种观察的办法。 [活动形式]游戏法、活动法 [活动准备] 1．准备好数学题目、人物、风景的图片。 2．准备好一个装水的容器和盐水。 3．每人准备一张白纸。 4．媒体课件。 [适用年级]小学五年级 [活动过程] 一、计算题目,揭示课题 1.教师导语:大家请看一组数字,请问你会用什么方法来计算?比一比谁求得快? 幻灯片:求1、5、9、13、17、21、25、29的和 2．教师问:说说你为什么能迅速计算出来? 3．教师小结:你们观察得真仔细,发现了数字中存在
[Activity goal] 1. Through some activities of training, develop students’ observation ability. 2. Teach students how to observe and apply them flexibly. [Activity Difficulties] Enable students to use various observation methods flexibly. [Form of Activity] Game Law, Activity Law [Activity Preparation] 1. Prepare pictures of math topics, characters and landscapes. 2. Prepare a water container and brine. 3. Prepare a piece of white paper for each person. 4. Media courseware. [Grade] Primary fifth grade [activity process] First, calculate the topic, reveal the subject 1 teacher lead: we see a group of figures, what method do you use to calculate? Faster than who seek faster? Slides: Summation 2 of 1,5,9,13,17,21,25,29. Teacher Q: Tell me why you can quickly calculate it? Teacher Summary: You observe carefully and found that there are numbers