《数的组成》数学ppt课件(4篇)
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4 100以内数的认识
数的组成
优 翼
一复习导入
PPT模板:www. 1ppt.co m/ mob an/ PPT背景:www.1ppt.com/beiji ng/ PPT下载:www.1ppt.com/xiaz ai/ 资料下载:www. 1ppt.co m/zilia o/ 试卷下载:www.1ppt.com/shiti / 手抄报:www.1ppt.com/shouc haobao/ 语文课件:www.1ppt.com/keji an/yuwen/ 英语课件:www.1ppt.com/keji an/ying yu/ 科学课件:www.1ppt.com/keji an/kexue/ 化学课件:www.1ppt.com/keji an/huaxue/ 地理课件:www.1ppt.com/keji an/dili/
也就是七十。
是7个十。
七十是由7个十组成的。
二探究新知
想一想:这是多少根小棒呢?
PPT模板:www. 1ppt.co m/ mob an/ PPT背景:www.1ppt.com/beiji ng/ PPT下载:www.1ppt.com/xiaz ai/ 资料下载:www. 1ppt.co m/zilia o/ 试卷下载:www.1ppt.com/shiti / 手抄报:www.1ppt.com/shouc haobao/ 语文课件:www.1ppt.com/keji an/yuwen/ 英语课件:www.1ppt.com/keji an/ying yu/ 科学课件:www.1ppt.com/keji an/kexue/ 化学课件:www.1ppt.com/keji an/huaxue/ 地理课件:www.1ppt.com/keji an/dili/
PPT素材:www.1ppt.com/s ucai/ PPT图表:www.1ppt .co m/tu biao/ PPT教程: www.1ppt.com/powerpoint/ 个人简历:www.1ppt. co m/jia nli/ 教案下载:www.1ppt. co m/jia oan/ PPT课件:www.1ppt. co m/ ke jian/ 数学课件:www.1ppt.c om/keji an/shuxue/ 美术课件:www.1ppt.c om/keji an/mei shu/ 物理课件:www.1ppt.c om/keji an/wuli / 生物课件:www.1ppt.c om/keji an/sheng wu/ 历史课件:www.1ppt.c om/keji an/lishi /
怎样才能一眼就看出这 是多少根小棒呢?
应该请“十”来 帮忙。
将小棒每10根捆成一捆,一捆一捆地摆出来。
二探究新知
PPT模板:www. 1ppt.co m/ mob an/ PPT背景:www.1ppt.com/beiji ng/ PPT下载:www.1ppt.com/xiaz ai/ 资料下载:www. 1ppt.co m/zilia o/ 试卷下载:www.1ppt.com/shiti / 手抄报:www.1ppt.com/shouc haobao/ 语文课件:www.1ppt.com/keji an/yuwen/ 英语课件:www.1ppt.com/keji an/ying yu/ 科学课件:www.1ppt.com/keji an/kexue/ 化学课件:www.1ppt.com/keji an/huaxue/ 地理课件:www.1ppt.com/keji an/dili/
PPT素材:www.1ppt.com/s ucai/ PPT图表:www.1ppt .co m/tu biao/ PPT教程: www.1ppt.com/powerpoint/ 个人简历:www.1ppt. co m/jia nli/ 教案下载:www.1ppt. co m/jia oan/ PPT课件:www.1ppt. co m/ ke jian/ 数学课件:www.1ppt.c om/keji an/shuxue/ 美术课件:www.1ppt.c om/keji an/mei shu/ 物理课件:www.1ppt.c om/keji an/wuli / 生物课件:www.1ppt.c om/keji an/sheng wu/ 历史课件:www.1ppt.c om/keji an/lishi /
PPT素材:www.1ppt.com/s ucai/ PPT图表:www.1ppt .co m/tu biao/ PPT教程: www.1ppt.com/powerpoint/ 个人简历:www.1ppt. co m/jia nli/ 教案下载:www.1ppt. co m/jia oan/ PPT课件:www.1ppt. co m/ ke jian/ 数学课件:www.1ppt.c om/keji an/shuxue/ 美术课件:www.1ppt.c om/keji an/mei shu/ 物理课件:www.1ppt.c om/keji an/wuli / 生物课件:www.1ppt.c om/keji an/sheng wu/ 历史课件:www.1ppt.c om/keji an/lishi /
一个一个地数,从三十八数到Hale Waihona Puke Baidu十二。
三十八 三十九 四十 四十一
十个十个地数,从36数到66。
四十二
三十六 四十六 五十六 六十六
二探究新知
PPT模板:www. 1ppt.co m/ mob an/ PPT背景:www.1ppt.com/beiji ng/ PPT下载:www.1ppt.com/xiaz ai/ 资料下载:www. 1ppt.co m/zilia o/ 试卷下载:www.1ppt.com/shiti / 手抄报:www.1ppt.com/shouc haobao/ 语文课件:www.1ppt.com/keji an/yuwen/ 英语课件:www.1ppt.com/keji an/ying yu/ 科学课件:www.1ppt.com/keji an/kexue/ 化学课件:www.1ppt.com/keji an/huaxue/ 地理课件:www.1ppt.com/keji an/dili/
数的组成
优 翼
一复习导入
PPT模板:www. 1ppt.co m/ mob an/ PPT背景:www.1ppt.com/beiji ng/ PPT下载:www.1ppt.com/xiaz ai/ 资料下载:www. 1ppt.co m/zilia o/ 试卷下载:www.1ppt.com/shiti / 手抄报:www.1ppt.com/shouc haobao/ 语文课件:www.1ppt.com/keji an/yuwen/ 英语课件:www.1ppt.com/keji an/ying yu/ 科学课件:www.1ppt.com/keji an/kexue/ 化学课件:www.1ppt.com/keji an/huaxue/ 地理课件:www.1ppt.com/keji an/dili/
也就是七十。
是7个十。
七十是由7个十组成的。
二探究新知
想一想:这是多少根小棒呢?
PPT模板:www. 1ppt.co m/ mob an/ PPT背景:www.1ppt.com/beiji ng/ PPT下载:www.1ppt.com/xiaz ai/ 资料下载:www. 1ppt.co m/zilia o/ 试卷下载:www.1ppt.com/shiti / 手抄报:www.1ppt.com/shouc haobao/ 语文课件:www.1ppt.com/keji an/yuwen/ 英语课件:www.1ppt.com/keji an/ying yu/ 科学课件:www.1ppt.com/keji an/kexue/ 化学课件:www.1ppt.com/keji an/huaxue/ 地理课件:www.1ppt.com/keji an/dili/
PPT素材:www.1ppt.com/s ucai/ PPT图表:www.1ppt .co m/tu biao/ PPT教程: www.1ppt.com/powerpoint/ 个人简历:www.1ppt. co m/jia nli/ 教案下载:www.1ppt. co m/jia oan/ PPT课件:www.1ppt. co m/ ke jian/ 数学课件:www.1ppt.c om/keji an/shuxue/ 美术课件:www.1ppt.c om/keji an/mei shu/ 物理课件:www.1ppt.c om/keji an/wuli / 生物课件:www.1ppt.c om/keji an/sheng wu/ 历史课件:www.1ppt.c om/keji an/lishi /
怎样才能一眼就看出这 是多少根小棒呢?
应该请“十”来 帮忙。
将小棒每10根捆成一捆,一捆一捆地摆出来。
二探究新知
PPT模板:www. 1ppt.co m/ mob an/ PPT背景:www.1ppt.com/beiji ng/ PPT下载:www.1ppt.com/xiaz ai/ 资料下载:www. 1ppt.co m/zilia o/ 试卷下载:www.1ppt.com/shiti / 手抄报:www.1ppt.com/shouc haobao/ 语文课件:www.1ppt.com/keji an/yuwen/ 英语课件:www.1ppt.com/keji an/ying yu/ 科学课件:www.1ppt.com/keji an/kexue/ 化学课件:www.1ppt.com/keji an/huaxue/ 地理课件:www.1ppt.com/keji an/dili/
PPT素材:www.1ppt.com/s ucai/ PPT图表:www.1ppt .co m/tu biao/ PPT教程: www.1ppt.com/powerpoint/ 个人简历:www.1ppt. co m/jia nli/ 教案下载:www.1ppt. co m/jia oan/ PPT课件:www.1ppt. co m/ ke jian/ 数学课件:www.1ppt.c om/keji an/shuxue/ 美术课件:www.1ppt.c om/keji an/mei shu/ 物理课件:www.1ppt.c om/keji an/wuli / 生物课件:www.1ppt.c om/keji an/sheng wu/ 历史课件:www.1ppt.c om/keji an/lishi /
PPT素材:www.1ppt.com/s ucai/ PPT图表:www.1ppt .co m/tu biao/ PPT教程: www.1ppt.com/powerpoint/ 个人简历:www.1ppt. co m/jia nli/ 教案下载:www.1ppt. co m/jia oan/ PPT课件:www.1ppt. co m/ ke jian/ 数学课件:www.1ppt.c om/keji an/shuxue/ 美术课件:www.1ppt.c om/keji an/mei shu/ 物理课件:www.1ppt.c om/keji an/wuli / 生物课件:www.1ppt.c om/keji an/sheng wu/ 历史课件:www.1ppt.c om/keji an/lishi /
一个一个地数,从三十八数到Hale Waihona Puke Baidu十二。
三十八 三十九 四十 四十一
十个十个地数,从36数到66。
四十二
三十六 四十六 五十六 六十六
二探究新知
PPT模板:www. 1ppt.co m/ mob an/ PPT背景:www.1ppt.com/beiji ng/ PPT下载:www.1ppt.com/xiaz ai/ 资料下载:www. 1ppt.co m/zilia o/ 试卷下载:www.1ppt.com/shiti / 手抄报:www.1ppt.com/shouc haobao/ 语文课件:www.1ppt.com/keji an/yuwen/ 英语课件:www.1ppt.com/keji an/ying yu/ 科学课件:www.1ppt.com/keji an/kexue/ 化学课件:www.1ppt.com/keji an/huaxue/ 地理课件:www.1ppt.com/keji an/dili/