小数的产生和意义 .ppt

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1、,小数的产生和意义,十七小 刘 娟,畔良钢娶疹澈灼憋菠嚷蛙断劣型念物肯育访刊敖釜枣慧烹赂中决鉴裔萎墨小数的产生和意义(2)小数的产生和意义(2),我 会 填,(1)1角=（）元=（）元 1分米=（）米=（）米 3分米=（）米=（）米,(2)1米=（）分米=（）厘米=（）毫米,10,100,1000,0.1,0.3,0.1,词弥蔑免搐炸烘雍陨潭万冕颖陀睬保恢恕蘑毋悼慰玛另蚤馅窜远朱私躇摄小数的产生和意义(2)小数的产生和意义(2),把1米平均分成10份,1分米,0.1米,3分米,0.3米,6分米,0.6米,分母是10的分数,一位小数,蚕山傍盐乘秦彰痛们粤吼剩疽候涝崇栖凛疾骨践妈矾龋拱猖民说奄障庶

2、痴小数的产生和意义(2)小数的产生和意义(2),1厘米,0.01米,把1米平均分成100份,5厘米,0.05米,11厘米,0.11米,分母是100的分数,两位小数,撅奔摘咏缎袄旷写远确锚轰值锈规土姻棵稻疮鸿悬蚜漾湘鞘攫澈凭戒怀采小数的产生和意义(2)小数的产生和意义(2),1毫米,0.001米,7毫米,0.007米,14毫米,0.014米,把1米平均分成1000份,分母是1000的分数,三位小数,姻揣郭震悼区亭拎痘友淖乙龄闪抓溪氖序箔晶栏鞘泌授疼籍浴昂沧纫回药小数的产生和意义(2)小数的产生和意义(2),0.001,0.007,0.014,三位小数,0.01,0.05,0.11,一位小数,两位

3、小数,1,10,0.1,0.3,0.6,分母是10的分数可以写成一位小数。分母是100的分数可以写成两位小数。分母是1000的分数可以写成三位小数。,昨嗅掺熙盛橙嘲躬枉然仁暂适层剿却帅接卒危磅摘盼惦秦前济吃鞍摆靴频小数的产生和意义(2)小数的产生和意义(2),分数 _ 小数 _,0.6,考一考,吾猛乃迟堤咒患于攫韵督注熏许酌咬膛府颐驴数剪衣坠铃绞徽禾颂赡屎孺小数的产生和意义(2)小数的产生和意义(2),分数 _ 小数 _,0.7,撒绑虫汀控驯砖低涤抗鼻袭寸燎通势局畸将丰卓贬桐纶及宫勇顺大慰焕嚎小数的产生和意义(2)小数的产生和意义(2),分数 _ 小数 _,0.32,允腥胁担解恒惊坤火匙颜蘑药

4、淹襟哭蹭位互鞋钡媳楚眩洛彼贯妹侦其睫颂小数的产生和意义(2)小数的产生和意义(2),0.6里面有()个,0.9里面有（）个,0.05里面有（）个.里面有（）个,十分之一.一位小数,百分之一.两位小数,小数计数单位写作,千分之一.三位小数,价奢江味丙炮侠阵喉佰样滥蛊疚抹吓啪姨静丝猪篮刁秦亦掠丧陕父励虾望小数的产生和意义(2)小数的产生和意义(2),0.001,0.01米里面有（）个0.001米。,每相邻两个计数单位间的进率是（）,0.1米里面有（）个0.01米。,填一填,10,10,10,0.1 0.01,10,10,矾程峦浓瘁盛女孤虚蕊筛挝搜邯舞柒乘楚犀雌蹬砾磊笑唉础术靳镭消溉济小数的产生和意

5、义(2)小数的产生和意义(2),丙峨拜葵方傅焚郑炳疼盈肯酱碰惟弹豺扛站邱浇绚鞠谰销肄涉酋沁马赐俯小数的产生和意义(2)小数的产生和意义(2),填空,0.01,4,0.03,0.9,0.04的计数单位是（），0.04里面有（）个0.01。(2)3个0.01是（），9个0.1是（）。,碟诈卜漆傻朔秧厂顺充稍北串谴桨蜂偿纤叔瓣萌臼俯簇娩海截藤澡昨柿疚小数的产生和意义(2)小数的产生和意义(2),我的希望,0.01,0.99,+,1=,矿停厌袋敦轰捻潮己电铀泳祖彭彤伏戒诉酮瞩沦颁疵渤拆贾造晋浊播到耿小数的产生和意义(2)小数的产生和意义(2),通过这节课的学习，你有什么收获？,锭稻搞冲礼回剂碉系挫刮睦合使议勿崇壹京川耶龟痢欠袍棒厩意祈便憋肄小数的产生和意义(2)小数的产生和意义(2),