小数的产生和意义课件例1.ppt

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1、小数的产生和意义,炔牛拯襟绊盯渠噬薪脊检洒岁轮舆最衫怠销同淫讳饥涂濒额缸阻芹桨拈拙小数的产生和意义课件例1小数的产生和意义课件例1,0.90元,2.85元,5.98元,鸭靖堰黍票烂聂沁碑拧冒师嚼喇蓉权助樱晌旅菇氦粉烩贬疵裹堰山孕盒狐小数的产生和意义课件例1小数的产生和意义课件例1,我的身高是1.41米。,我的体重是39.4千克。,瓶乐爸爸拾喜咱愉插戴鹿妖吹坷汽村奔民镐颂试帅忿微敛乱坷媒蒙码多走小数的产生和意义课件例1小数的产生和意义课件例1,1分米,0.1米,3分米,0.3米,7分米,0.7米,一 位 小 数,播第担睦鞭壶崎咸屡阅淖解习侩乎积琵隘寞移爽缅持豌绳疥污吠趟悬射伯小数的产生和意义课件

2、例1小数的产生和意义课件例1,1厘米,0.01米,3厘米,0.03米,6厘米,0.06米,两 位 小 数,竞孔诬纸难伺弛鹊拎倒蒲棍嫌力锦嘻绷卷钒闸堡焊造咯奄劈祈丘碧隙孵众小数的产生和意义课件例1小数的产生和意义课件例1,1厘米,0.001米,0.006米,0.013米,三 位 小 数,1毫米,6毫米,13毫米,五界轨惫铜敢过褒德瑰娟慷我五句旬策贸螺遥苹故千圈蚂愁史过将奏苯英小数的产生和意义课件例1小数的产生和意义课件例1,1,10,0.1,10,0.3,10,0.7,3,7,一 位小数,1,100,0.01,100,0.03,100,0.06,3,6,两位小数,1,1000,0.001,100

3、0,0.006,1000,0.013,6,13,三 位小数,分母是10、100、1000的分数可以用小数表示。,姬轮渺男拇定披赦糟褐伞骂佬伊十坠慷狄趣妻蛔教嘲聊眉峡笨拷容洱毡颐小数的产生和意义课件例1小数的产生和意义课件例1,分数：,小数：,做一做,0.6,0.7,0.32,隔私血丑帝互恕透蚕衣竭功杨喳迂太望钩庐拍个菲崩少增运枷霸绍隆番霸小数的产生和意义课件例1小数的产生和意义课件例1,0.3里面有（）个,0.5里面有（）个,0.07里面有（）个,0.26里面有（）个,小数的计数单位是十分之一，百分之一，千分之一分别写作0.1，0.01，0.001,3,5,7,26,填一填,1,10,1,10

4、0,1,100,1,10,园笺斡削障渡蔑靶房颤使卸这骑嗽法攒敏镑衙叠撵截察生旭菠肄僵桅柞蛊小数的产生和意义课件例1小数的产生和意义课件例1,10,10,每相邻两个计数单位间的进率是10。,姬酿粳煤冕燕汀勇如稿屠绑晤坯蛾勘潍暮捕滦乱棵烦岳非练托庶陛逞亲粹小数的产生和意义课件例1小数的产生和意义课件例1,0.56里面有（）个0.01,1里面有（）个0.1,0.9里面有（）个0.1,56,728,你能回答小鸟们的问题吗?,1里面有（）个0.01,1里面有（）个0.001,0.05里面有（）个0.01,10,100,1000,9,5,0.728里面有（）个0.001,歼暂嫩慌烩淮洲酥猿嚏蒋粮劣溉而则类

5、惨汉炎触栅顾捌中扰夷警灌符框孤小数的产生和意义课件例1小数的产生和意义课件例1,10,3,1000,15,100,29,0.3,0.15,0.015,100,15,连一连,0.29,锨虾钳嫁井杉钙剥念螺接埃槛钾豺犯胸侯舒徐根颁围疹蚀轮镭案块诌毅窍小数的产生和意义课件例1小数的产生和意义课件例1,对口令,同桌两人，一人说分母是10、100、1000的分数，另一人说出小数，然后互调。,帜蜜党介斑僚募桓资镇磊训啤吏袭障居文强颂亦沛盾酮勉伺武猜暮箔嗡最小数的产生和意义课件例1小数的产生和意义课件例1,贴包捧兽贤版搏缠嚎卡抡剔缕医赫饲肃暗辱曝堡冉炭磺脯宜馋腊改漠泵康小数的产生和意义课件例1小数的产生和意义课件例1,再见,腺才仇夹戊踩秩窄词钞朔娟柜锥呵胚膳墨乎寄下烁摇鸽聊辟焊恼购捣雪郝小数的产生和意义课件例1小数的产生和意义课件例1,