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7+6+7+11=31(厘米) 9+6+9+6=30(厘米) 6×4=24(厘米)
1.
PPT模板:www.1ppt.com/moban/ PPT背景:www.1ppt.com/beijing/ PPT下载:www.1ppt.com/xiazai/ 资料下载:www.1ppt.com/ziliao/ 试卷下载:www.1ppt.com/shiti/ 手抄报:www.1ppt.com/shouchaobao/ 语文课件:www.1ppt.com/kejian/yuw en/ 英语课件:www.1ppt.com/kejian/ying yu/ 科学课件:www.1ppt.com/kejian/kexu e/ 化学课件:www.1ppt.com/kejian/huaxue/ 地理课件:www.1ppt.com/kejian/dili/
新知探究
PPT模板:www.1ppt.com/moban/ PPT背景:www.1ppt.com/beijing/ PPT下载:www.1ppt.com/xiazai/ 资料下载:www.1ppt.com/ziliao/ 试卷下载:www.1ppt.com/shiti/ 手抄报:www.1ppt.com/shouchaobao/ 语文课件:www.1ppt.com/kejian/yuw en/ 英语课件:www.1ppt.com/kejian/ying yu/ 科学课件:www.1ppt.com/kejian/kexu e/ 化学课件:www.1ppt.com/kejian/huaxue/ 地理课件:www.1ppt.com/kejian/dili/
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/
合作要求:
1.同桌两人合作,先商量办法,再利用工具试一试;
2.同桌明确分工,相互配合,测出它们的周长。
1.
PPT模板:www.1ppt.com/moban/ PPT背景:www.1ppt.com/beijing/ PPT下载:www.1ppt.com/xiazai/ 资料下载:www.1ppt.com/ziliao/ 试卷下载:www.1ppt.com/shiti/ 手抄报:www.1ppt.com/shouchaobao/ 语文课件:www.1ppt.com/kejian/yuw en/ 英语课件:www.1ppt.com/kejian/ying yu/ 科学课件:www.1ppt.com/kejian/kexu e/ 化学课件:www.1ppt.com/kejian/huaxue/ 地理课件:www.1ppt.com/kejian/dili/
认识周长
比赛规则:沿着树叶的边线跑一周
从起点开始,沿着叶子的边线绕一圈又回到起点,这是叶子的一周。
PPT模板:www.1ppt.com/moban/ PPT背景:www.1ppt.com/beijing/ PPT下载:www.1ppt.com/xiazai/ 资料下载:www.1ppt.com/ziliao/ 试卷下载:www.1ppt.com/shiti/ 手抄报:www.1ppt.com/shouchaobao/ 语文课件:www.1ppt.com/kejian/yuw en/ 英语课件:www.1ppt.com/kejian/ying yu/ 科学课件:www.1ppt.com/kejian/kexu e/ 化学课件:www.1ppt.com/kejian/huaxue/ 地理课件:www.1ppt.com/kejian/dili/
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/
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/
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/
7+6+7+11=31(厘米) 9+6+9+6=30(厘米) 6×4=24(厘米)
1.
PPT模板:www.1ppt.com/moban/ PPT背景:www.1ppt.com/beijing/ PPT下载:www.1ppt.com/xiazai/ 资料下载:www.1ppt.com/ziliao/ 试卷下载:www.1ppt.com/shiti/ 手抄报:www.1ppt.com/shouchaobao/ 语文课件:www.1ppt.com/kejian/yuw en/ 英语课件:www.1ppt.com/kejian/ying yu/ 科学课件:www.1ppt.com/kejian/kexu e/ 化学课件:www.1ppt.com/kejian/huaxue/ 地理课件:www.1ppt.com/kejian/dili/
新知探究
PPT模板:www.1ppt.com/moban/ PPT背景:www.1ppt.com/beijing/ PPT下载:www.1ppt.com/xiazai/ 资料下载:www.1ppt.com/ziliao/ 试卷下载:www.1ppt.com/shiti/ 手抄报:www.1ppt.com/shouchaobao/ 语文课件:www.1ppt.com/kejian/yuw en/ 英语课件:www.1ppt.com/kejian/ying yu/ 科学课件:www.1ppt.com/kejian/kexu e/ 化学课件:www.1ppt.com/kejian/huaxue/ 地理课件:www.1ppt.com/kejian/dili/
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/
合作要求:
1.同桌两人合作,先商量办法,再利用工具试一试;
2.同桌明确分工,相互配合,测出它们的周长。
1.
PPT模板:www.1ppt.com/moban/ PPT背景:www.1ppt.com/beijing/ PPT下载:www.1ppt.com/xiazai/ 资料下载:www.1ppt.com/ziliao/ 试卷下载:www.1ppt.com/shiti/ 手抄报:www.1ppt.com/shouchaobao/ 语文课件:www.1ppt.com/kejian/yuw en/ 英语课件:www.1ppt.com/kejian/ying yu/ 科学课件:www.1ppt.com/kejian/kexu e/ 化学课件:www.1ppt.com/kejian/huaxue/ 地理课件:www.1ppt.com/kejian/dili/
认识周长
比赛规则:沿着树叶的边线跑一周
从起点开始,沿着叶子的边线绕一圈又回到起点,这是叶子的一周。
PPT模板:www.1ppt.com/moban/ PPT背景:www.1ppt.com/beijing/ PPT下载:www.1ppt.com/xiazai/ 资料下载:www.1ppt.com/ziliao/ 试卷下载:www.1ppt.com/shiti/ 手抄报:www.1ppt.com/shouchaobao/ 语文课件:www.1ppt.com/kejian/yuw en/ 英语课件:www.1ppt.com/kejian/ying yu/ 科学课件:www.1ppt.com/kejian/kexu e/ 化学课件:www.1ppt.com/kejian/huaxue/ 地理课件:www.1ppt.com/kejian/dili/
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/
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/
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/