人教版二年级数学上册《简单的排列》PPT课件(2篇)

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人教版小学数学二年级
简单的排列
激趣导入
小刺猬、小鸭和小鸡三个是好朋友,今天准备到企鹅博士家去做客呢, 可是刚走了一半路,突然下起雨来,可是它们只带了两把伞,你能帮他 们想想办法怎么搭配撑雨伞吗?
激趣导入
激趣导入
激趣导入 最后它们选择了哪种方法?
激趣导入
自主探究
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同桌合作用数字卡片摆,并且让 一个人把摆出来的数字记在白纸 上,在动手之前先商量一下你们 打算怎么摆再开始。
自主探究
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PPT素材:www.1ppt.com/sucai/ PPT图表:www.1ppt.com/tubiao/ PPT教程: www.1ppt.com/powerpoint/ 个人简历:www.1ppt.com/jianli/ 教案下载:www.1ppt.com/jiaoan/ PPT课件:www.1ppt.com/kejian/ 数学课件:www.1ppt.com/kejian/shu xue/ 美术课件:www.1ppt.com/kejian/me ishu/ 物理课件:www.1ppt.com/kejian/wul i/ 生物课件:www.1ppt.com/kejian/she ngwu/ 历史课件:www.1ppt.com/kejian/lish i/
自主探究
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欢迎你们的到来,为了考考 你们的智慧,请你们先想办 法把这把密码锁打开,锁的 密码提示1:请用数字1、2、 3摆出所有的两位数。
企鹅博士
wenku.baidu.com
小组合作
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