四年级下册数学北师大版栽蒜苗(一) 课件(共27张PPT)

文档属性

名称 四年级下册数学北师大版栽蒜苗(一) 课件(共27张PPT)
格式 pptx
文件大小 4.9MB
资源类型 教案
版本资源 北师大版
科目 数学
更新时间 2024-04-24 05:49:08

图片预览

文档简介

(共27张PPT)
栽 蒜 苗(一)
第六单元 数据的表示和分析
北师大版四年级数学下册
第一课时
第二课时
(1)用1格表示多个单位量的条形统计图的绘制方法;
(2)用不同形式的统计图表示数据。
探索新知
课堂小结
当堂检测
课后作业
北师大版四年级数学下册
14天前我们栽的蒜苗
生长的如何呢?
北师大版四年级数学下册
第1课时 栽蒜苗(一)
将每个人记录的蒜苗生长情况在小组内交流,并说说准备如何整理数据。
探究新知
北师大版四年级数学下册
将组内同学记录的蒜苗14天后的高度填入统计表中。
小组蒜苗14天后的高度统计表
北师大版四年级数学下册
在下图中完成条形统计图。
小组蒜苗14天后的高度统计图
小明
小英
笑笑
淘气
开心
小兰
6
3
21
9
12
15
18
24
北师大版四年级数学下册
从上图中你发现了 什么?
北师大版四年级数学下册
我还发现?
从图中能清楚地看到每个同学栽的蒜苗第14天的高度,还知道谁比谁的高或矮。
从图中清楚地看出每个人蒜苗的数据是多少,还一眼能看出谁种的蒜苗长的最高谁种的蒜苗长的最矮。
北师大版四年级数学下册
大家绘制条形统计图时遇到了什么问题?又是怎样解决的呢?
1格不够表示1个单位量,
可以用1格表示几个单位量。
北师大版四年级数学下册
刚才大家想出了用一格表示多个单位的好办法,它能解决格子不够用的问题。那么每张图上的每一格到底表示几个单位,还与所画条形的数据有关。如果数据很大,那么每一格所表示的单位就多,数据小,那么所表示的单位就小。
课堂小结
北师大版四年级数学下册
小试牛刀
北师大版四年级数学下册
我从图中发现元元植树最多,淘气植树最少。
北师大版四年级数学下册
北师大版四年级数学下册
1格代表(  )辆汽车。
(2)该市奥迪汽车专营店在2017年上半年共销售汽车多少辆?
北师大版四年级数学下册
归纳总结:
用条形统计图表示数据,当数据较大时,可以用一格表示多个单位。
北师大版四年级数学下册
1、你经常在家里做一些力所能及的家务吗?
(1)和同伴交流怎样得到并整理班级同学家务劳动情况的数据。
(2)下面是四⑴班同学家务劳动情况统计表。
练一练
北师大版四年级数学下册
完成下面的条形统计图。说一说,你用1格表示多少人?
北师大版四年级数学下册
第2课时 栽蒜苗(一)
你能根据上表中的数据制作统计图吗?说说你的想法。
北师大版四年级数学下册
选择你喜欢的方式,完成下图。
100
北师大版四年级数学下册
北师大版四年级数学下册
北师大版四年级数学下册
练一练
2、2012年某城市3月至8月月平均降水情况如下表。
选择你喜欢的方式,根据上表中的数据制作统计图。
北师大版四年级数学下册
3、先完成条形统计图,再与同伴交流。你能提出哪些数学问题?
北师大版四年级数学下册
归纳总结:
2、确定一格代表多少个单位,要根据已知数据中最大数和最小数综合考虑,也可以用最大数除以图中纵轴的实际长度来平均分配。
1、可以用不同形式的统计图表示数据。
北师大版四年级数学下册
4、生活中有哪些事情可以通过数据来反映?小组合作选择一个主题进行调查,并将调查的数据在附页4图1中制成统计图。
北师大版四年级数学下册
版权申明
本文部分内容,包括文字、图片、以及设计等在网上搜集整理.版权为个人所有
This article includes some parts, including text, pictures, and design. Copyright is personal ownership.
用户可将本文地内容或服务用于个人学习、研究或欣赏,以及其他非商业性或非盈利性用途,但同时应遵守著作权法及其他相关法律地规定,不得侵犯本网站及相关权利人地合法权利.除此以外,将本文任何内容或服务用于其他用途时,须征得本人及相关权利人地书面许可,并支付报酬.
Users may use the contents or services of this article for personal study, research or appreciation, and other non-commercial or non-profit purposes, but at the same time, they shall abide by the provisions of copyright law and other relevant laws, and shall not infringe upon the legitimate rights of this website and its relevant obligees. In addition, when any content or service of this article is used for other purposes, written permission and remuneration shall be obtained from the person concerned and the relevant obligee.
转载或引用本文内容必须是以新闻性或资料性公共免费信息为使用目地地合理、善意引用,不得对本文内容原意进行曲解、修改,并自负版权等法律责任.Reproduction or quotation of the content of this article must be reasonable and good-faith citation for the use of news or informative public free information. It shall not misinterpret or modify the original intention of the content of this article, and shall bear legal liability such as copyright.
版权申明
本文部分内容,包括文字、图片、以及设计等在网上搜集整理.版权为个人所有
This article includes some parts, including text, pictures, and design. Copyright is personal ownership.
用户可将本文地内容或服务用于个人学习、研究或欣赏,以及其他非商业性或非盈利性用途,但同时应遵守著作权法及其他相关法律地规定,不得侵犯本网站及相关权利人地合法权利.除此以外,将本文任何内容或服务用于其他用途时,须征得本人及相关权利人地书面许可,并支付报酬.
Users may use the contents or services of this article for personal study, research or appreciation, and other non-commercial or non-profit purposes, but at the same time, they shall abide by the provisions of copyright law and other relevant laws, and shall not infringe upon the legitimate rights of this website and its relevant obligees. In addition, when any content or service of this article is used for other purposes, written permission and remuneration shall be obtained from the person concerned and the relevant obligee.
转载或引用本文内容必须是以新闻性或资料性公共免费信息为使用目地地合理、善意引用,不得对本文内容原意进行曲解、修改,并自负版权等法律责任.Reproduction or quotation of the content of this article must be reasonable and good-faith citation for the use of news or informative public free information. It shall not misinterpret or modify the original intention of the content of this article, and shall bear legal liability such as copyright.
版权申明
本文部分内容,包括文字、图片、以及设计等在网上搜集整理.版权为个人所有
This article includes some parts, including text, pictures, and design. Copyright is personal ownership.
用户可将本文地内容或服务用于个人学习、研究或欣赏,以及其他非商业性或非盈利性用途,但同时应遵守著作权法及其他相关法律地规定,不得侵犯本网站及相关权利人地合法权利.除此以外,将本文任何内容或服务用于其他用途时,须征得本人及相关权利人地书面许可,并支付报酬.
Users may use the contents or services of this article for personal study, research or appreciation, and other non-commercial or non-profit purposes, but at the same time, they shall abide by the provisions of copyright law and other relevant laws, and shall not infringe upon the legitimate rights of this website and its relevant obligees. In addition, when any content or service of this article is used for other purposes, written permission and remuneration shall be obtained from the person concerned and the relevant obligee.
转载或引用本文内容必须是以新闻性或资料性公共免费信息为使用目地地合理、善意引用,不得对本文内容原意进行曲解、修改,并自负版权等法律责任.Reproduction or quotation of the content of this article must be reasonable and good-faith citation for the use of news or informative public free information. It shall not misinterpret or modify the original intention of the content of this article, and shall bear legal liability such as copyright.
版权申明
本文部分内容,包括文字、图片、以及设计等在网上搜集整理.版权为个人所有
This article includes some parts, including text, pictures, and design. Copyright is personal ownership.
用户可将本文地内容或服务用于个人学习、研究或欣赏,以及其他非商业性或非盈利性用途,但同时应遵守著作权法及其他相关法律地规定,不得侵犯本网站及相关权利人地合法权利.除此以外,将本文任何内容或服务用于其他用途时,须征得本人及相关权利人地书面许可,并支付报酬.
Users may use the contents or services of this article for personal study, research or appreciation, and other non-commercial or non-profit purposes, but at the same time, they shall abide by the provisions of copyright law and other relevant laws, and shall not infringe upon the legitimate rights of this website and its relevant obligees. In addition, when any content or service of this article is used for other purposes, written permission and remuneration shall be obtained from the person concerned and the relevant obligee.
转载或引用本文内容必须是以新闻性或资料性公共免费信息为使用目地地合理、善意引用,不得对本文内容原意进行曲解、修改,并自负版权等法律责任.Reproduction or quotation of the content of this article must be reasonable and good-faith citation for the use of news or informative public free information. It shall not misinterpret or modify the original intention of the content of this article, and shall bear legal liability such as copyright.
版权申明
本文部分内容,包括文字、图片、以及设计等在网上搜集整理.版权为个人所有
This article includes some parts, including text, pictures, and design. Copyright is personal ownership.
用户可将本文地内容或服务用于个人学习、研究或欣赏,以及其他非商业性或非盈利性用途,但同时应遵守著作权法及其他相关法律地规定,不得侵犯本网站及相关权利人地合法权利.除此以外,将本文任何内容或服务用于其他用途时,须征得本人及相关权利人地书面许可,并支付报酬.
Users may use the contents or services of this article for personal study, research or appreciation, and other non-commercial or non-profit purposes, but at the same time, they shall abide by the provisions of copyright law and other relevant laws, and shall not infringe upon the legitimate rights of this website and its relevant obligees. In addition, when any content or service of this article is used for other purposes, written permission and remuneration shall be obtained from the person concerned and the relevant obligee.
转载或引用本文内容必须是以新闻性或资料性公共免费信息为使用目地地合理、善意引用,不得对本文内容原意进行曲解、修改,并自负版权等法律责任.Reproduction or quotation of the content of this article must be reasonable and good-faith citation for the use of news or informative public free information. It shall not misinterpret or modify the original intention of the content of this article, and shall bear legal liability such as copyright.
版权申明
本文部分内容,包括文字、图片、以及设计等在网上搜集整理.版权为个人所有
This article includes some parts, including text, pictures, and design. Copyright is personal ownership.
用户可将本文地内容或服务用于个人学习、研究或欣赏,以及其他非商业性或非盈利性用途,但同时应遵守著作权法及其他相关法律地规定,不得侵犯本网站及相关权利人地合法权利.除此以外,将本文任何内容或服务用于其他用途时,须征得本人及相关权利人地书面许可,并支付报酬.
Users may use the contents or services of this article for personal study, research or appreciation, and other non-commercial or non-profit purposes, but at the same time, they shall abide by the provisions of copyright law and other relevant laws, and shall not infringe upon the legitimate rights of this website and its relevant obligees. In addition, when any content or service of this article is used for other purposes, written permission and remuneration shall be obtained from the person concerned and the relevant obligee.
转载或引用本文内容必须是以新闻性或资料性公共免费信息为使用目地地合理、善意引用,不得对本文内容原意进行曲解、修改,并自负版权等法律责任.Reproduction or quotation of the content of this article must be reasonable and good-faith citation for the use of news or informative public free information. It shall not misinterpret or modify the original intention of the content of this article, and shall bear legal liability such as copyright.
版权申明
本文部分内容,包括文字、图片、以及设计等在网上搜集整理.版权为个人所有
This article includes some parts, including text, pictures, and design. Copyright is personal ownership.
用户可将本文地内容或服务用于个人学习、研究或欣赏,以及其他非商业性或非盈利性用途,但同时应遵守著作权法及其他相关法律地规定,不得侵犯本网站及相关权利人地合法权利.除此以外,将本文任何内容或服务用于其他用途时,须征得本人及相关权利人地书面许可,并支付报酬.
Users may use the contents or services of this article for personal study, research or appreciation, and other non-commercial or non-profit purposes, but at the same time, they shall abide by the provisions of copyright law and other relevant laws, and shall not infringe upon the legitimate rights of this website and its relevant obligees. In addition, when any content or service of this article is used for other purposes, written permission and remuneration shall be obtained from the person concerned and the relevant obligee.
转载或引用本文内容必须是以新闻性或资料性公共免费信息为使用目地地合理、善意引用,不得对本文内容原意进行曲解、修改,并自负版权等法律责任.Reproduction or quotation of the content of this article must be reasonable and good-faith citation for the use of news or informative public free information. It shall not misinterpret or modify the original intention of the content of this article, and shall bear legal liability such as copyright.
本 课 小 结
通过这节课的学习,你有什么收获?
你还有哪些不明白的地方吗?
北师大版四年级数学下册