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1、1 分数乘法分数乘整数教材来源：教育部审定2013 义务教育教科书数学（上册）/人民教育出版社2014年版内容来源：小学六年级数学（上册）第一单元主题：分数乘整数课时：共 13 课时，第 1 课时授课对象：六年级学生设 计 者：张秋白目标确定的依据1.基于课程标准的思考数学课程标准有关本课的要求是:从分数乘整数引入分数乘法教学，帮助学生理解分数乘整数的意义及算理，掌握计算方法。2.教材分析本节课是小学数学人教版六年级上册第一单元“分数乘法”的第一课时，教材第 2 页例题 1 的内容，教材呈现了学生感兴趣的分蛋糕情景，从“每人吃92个蛋糕，3 人一共吃多少个？”的问题入手，得出求3 个相同分数和
2、的算式，然后借助原有乘法知识，转换成分数与整数相乘的算式，再探索分数乘整数的计算方法。目标1.结合生活实例，联系分数加法及分数基本意义，通过对分数连加算式的研究，理解分数乘整数的意义。2.掌握分数乘整数的计算方法，能够应用分数乘整数的计算法则，比较熟练地进行计算。3.通过观察比较，归纳分数乘整数的计算法则，培养抽象概括能力。评价任务1.在小组内互相说一说分数乘整数的计算法则。2.同桌互相背背分数乘整数的计算法则。3.独立完成课堂练习，同桌判断对错。教学过程一、复习旧知（1）列式计算，并说出算式中的两个因数各表示什么？5 个 12是多少？9 个 11是多少？8 个 6 是多少？（2）先口算，再回
3、答问题。40+40+40=15+15+15+15=这两道加法算式中，相同加数各是几？请把它们写成乘法算式好吗?求几个相同加数的和，我们还可以用乘法来计算。评价要点：学生能用加法和乘法两种方法列出算式。二、学习新知例 1 小新、爸爸、妈妈一起吃一个蛋糕，每人 吃92个，3 人一共吃多少个？想：看图，用加法怎样列式？用乘法怎样列式？分别表示什么意思？分数与整数相乘是怎样计算的？小组交流后发表自己的看法，大家评判。加法：92+92+92=乘法：92 3=能先约分的可以先约分，再计算，结果相同。评价要点：学生会根据分数乘整数的计算法则进行计算，特别是能约分的先约分再计算，这个计算过程必须掌握。三、达标
4、测评1.2.83 7 94 5 152 4 125 8 2433.灵活应用（1）一个娃娃售87元，5 个一共售多少钱？24 个呢?（2）一堆货物，平均每次运走125吨，运了 18 次，一共运走多少吨？（3）3 个52是多少？（4）127的 6 倍是多少？文档编码:CX6W8D10T4W5 HM1L3K3M4O8 ZO3R8R1G4E5文档编码:CX6W8D10T4W5 HM1L3K3M4O8 ZO3R8R1G4E5文档编码:CX6W8D10T4W5 HM1L3K3M4O8 ZO3R8R1G4E5文档编码:CX6W8D10T4W5 HM1L3K3M4O8 ZO3R8R1G4E5文档编码:CX6W
5、8D10T4W5 HM1L3K3M4O8 ZO3R8R1G4E5文档编码:CX6W8D10T4W5 HM1L3K3M4O8 ZO3R8R1G4E5文档编码:CX6W8D10T4W5 HM1L3K3M4O8 ZO3R8R1G4E5文档编码:CX6W8D10T4W5 HM1L3K3M4O8 ZO3R8R1G4E5文档编码:CX6W8D10T4W5 HM1L3K3M4O8 ZO3R8R1G4E5文档编码:CX6W8D10T4W5 HM1L3K3M4O8 ZO3R8R1G4E5文档编码:CX6W8D10T4W5 HM1L3K3M4O8 ZO3R8R1G4E5文档编码:CX6W8D10T4W5 HM1L
6、3K3M4O8 ZO3R8R1G4E5文档编码:CX6W8D10T4W5 HM1L3K3M4O8 ZO3R8R1G4E5文档编码:CX6W8D10T4W5 HM1L3K3M4O8 ZO3R8R1G4E5文档编码:CX6W8D10T4W5 HM1L3K3M4O8 ZO3R8R1G4E5文档编码:CX6W8D10T4W5 HM1L3K3M4O8 ZO3R8R1G4E5文档编码:CX6W8D10T4W5 HM1L3K3M4O8 ZO3R8R1G4E5文档编码:CX6W8D10T4W5 HM1L3K3M4O8 ZO3R8R1G4E5文档编码:CX6W8D10T4W5 HM1L3K3M4O8 ZO3R8
7、R1G4E5文档编码:CX6W8D10T4W5 HM1L3K3M4O8 ZO3R8R1G4E5文档编码:CX6W8D10T4W5 HM1L3K3M4O8 ZO3R8R1G4E5文档编码:CX6W8D10T4W5 HM1L3K3M4O8 ZO3R8R1G4E5文档编码:CX6W8D10T4W5 HM1L3K3M4O8 ZO3R8R1G4E5文档编码:CX6W8D10T4W5 HM1L3K3M4O8 ZO3R8R1G4E5文档编码:CX6W8D10T4W5 HM1L3K3M4O8 ZO3R8R1G4E5文档编码:CX6W8D10T4W5 HM1L3K3M4O8 ZO3R8R1G4E5文档编码:CX
8、6W8D10T4W5 HM1L3K3M4O8 ZO3R8R1G4E5文档编码:CX6W8D10T4W5 HM1L3K3M4O8 ZO3R8R1G4E5文档编码:CX6W8D10T4W5 HM1L3K3M4O8 ZO3R8R1G4E5文档编码:CX6W8D10T4W5 HM1L3K3M4O8 ZO3R8R1G4E5文档编码:CX6W8D10T4W5 HM1L3K3M4O8 ZO3R8R1G4E5文档编码:CX6W8D10T4W5 HM1L3K3M4O8 ZO3R8R1G4E5文档编码:CX6W8D10T4W5 HM1L3K3M4O8 ZO3R8R1G4E5文档编码:CX6W8D10T4W5 HM
9、1L3K3M4O8 ZO3R8R1G4E5文档编码:CX6W8D10T4W5 HM1L3K3M4O8 ZO3R8R1G4E5文档编码:CX6W8D10T4W5 HM1L3K3M4O8 ZO3R8R1G4E5文档编码:CX6W8D10T4W5 HM1L3K3M4O8 ZO3R8R1G4E5文档编码:CX6W8D10T4W5 HM1L3K3M4O8 ZO3R8R1G4E5文档编码:CX6W8D10T4W5 HM1L3K3M4O8 ZO3R8R1G4E5文档编码:CX6W8D10T4W5 HM1L3K3M4O8 ZO3R8R1G4E5文档编码:CX6W8D10T4W5 HM1L3K3M4O8 ZO3
10、R8R1G4E5文档编码:CX6W8D10T4W5 HM1L3K3M4O8 ZO3R8R1G4E5文档编码:CX6W8D10T4W5 HM1L3K3M4O8 ZO3R8R1G4E5文档编码:CX6W8D10T4W5 HM1L3K3M4O8 ZO3R8R1G4E5文档编码:CX6W8D10T4W5 HM1L3K3M4O8 ZO3R8R1G4E5文档编码:CX6W8D10T4W5 HM1L3K3M4O8 ZO3R8R1G4E5文档编码:CX6W8D10T4W5 HM1L3K3M4O8 ZO3R8R1G4E5文档编码:CX6W8D10T4W5 HM1L3K3M4O8 ZO3R8R1G4E5评价要点：
11、全班至少 90%的学生能正确运用分数乘整数的计算法则进行计算，过程完整。四、课堂小结本节课你有什么收获？评价要点：学生能说出分数乘整数的计算法则，能约分的先约分再计算。五、布置作业练习一的第 2、3 题。一个数乘分数教材来源：教育部审定2013 义务教育教科书数学（上册）/人民教育出版社2014年版内容来源：小学六年级数学（上册）第一单元主题：一个数乘分数课时：共 13 课时，第 2 课时授课对象：六年级学生设 计 者：张秋白目标确定的依据1.基于课程标准的思考数学课程标准有关本课的要求是:理解一个数乘分数的意义，掌握分数乘分数的计算法则，学会运用迁移、类推、归纳、交流等数学活动，培养类推、归
12、纳能力。2.教材分析本节课是小学数学人教版六年级上册第一单元“分数乘法”的第二课时，”文档编码:CX6W8D10T4W5 HM1L3K3M4O8 ZO3R8R1G4E5文档编码:CX6W8D10T4W5 HM1L3K3M4O8 ZO3R8R1G4E5文档编码:CX6W8D10T4W5 HM1L3K3M4O8 ZO3R8R1G4E5文档编码:CX6W8D10T4W5 HM1L3K3M4O8 ZO3R8R1G4E5文档编码:CX6W8D10T4W5 HM1L3K3M4O8 ZO3R8R1G4E5文档编码:CX6W8D10T4W5 HM1L3K3M4O8 ZO3R8R1G4E5文档编码:CX6W8D
13、10T4W5 HM1L3K3M4O8 ZO3R8R1G4E5文档编码:CX6W8D10T4W5 HM1L3K3M4O8 ZO3R8R1G4E5文档编码:CX6W8D10T4W5 HM1L3K3M4O8 ZO3R8R1G4E5文档编码:CX6W8D10T4W5 HM1L3K3M4O8 ZO3R8R1G4E5文档编码:CX6W8D10T4W5 HM1L3K3M4O8 ZO3R8R1G4E5文档编码:CX6W8D10T4W5 HM1L3K3M4O8 ZO3R8R1G4E5文档编码:CX6W8D10T4W5 HM1L3K3M4O8 ZO3R8R1G4E5文档编码:CX6W8D10T4W5 HM1L3K
14、3M4O8 ZO3R8R1G4E5文档编码:CX6W8D10T4W5 HM1L3K3M4O8 ZO3R8R1G4E5文档编码:CX6W8D10T4W5 HM1L3K3M4O8 ZO3R8R1G4E5文档编码:CX6W8D10T4W5 HM1L3K3M4O8 ZO3R8R1G4E5文档编码:CX6W8D10T4W5 HM1L3K3M4O8 ZO3R8R1G4E5文档编码:CX6W8D10T4W5 HM1L3K3M4O8 ZO3R8R1G4E5文档编码:CX6W8D10T4W5 HM1L3K3M4O8 ZO3R8R1G4E5文档编码:CX6W8D10T4W5 HM1L3K3M4O8 ZO3R8R1
15、G4E5文档编码:CX6W8D10T4W5 HM1L3K3M4O8 ZO3R8R1G4E5文档编码:CX6W8D10T4W5 HM1L3K3M4O8 ZO3R8R1G4E5文档编码:CX6W8D10T4W5 HM1L3K3M4O8 ZO3R8R1G4E5文档编码:CX6W8D10T4W5 HM1L3K3M4O8 ZO3R8R1G4E5文档编码:CX6W8D10T4W5 HM1L3K3M4O8 ZO3R8R1G4E5文档编码:CX6W8D10T4W5 HM1L3K3M4O8 ZO3R8R1G4E5文档编码:CX6W8D10T4W5 HM1L3K3M4O8 ZO3R8R1G4E5文档编码:CX6W
16、8D10T4W5 HM1L3K3M4O8 ZO3R8R1G4E5文档编码:CX6W8D10T4W5 HM1L3K3M4O8 ZO3R8R1G4E5文档编码:CX6W8D10T4W5 HM1L3K3M4O8 ZO3R8R1G4E5文档编码:CX6W8D10T4W5 HM1L3K3M4O8 ZO3R8R1G4E5文档编码:CX6W8D10T4W5 HM1L3K3M4O8 ZO3R8R1G4E5文档编码:CX6W8D10T4W5 HM1L3K3M4O8 ZO3R8R1G4E5文档编码:CX6W8D10T4W5 HM1L3K3M4O8 ZO3R8R1G4E5文档编码:CX6W8D10T4W5 HM1L
17、3K3M4O8 ZO3R8R1G4E5文档编码:CX6W8D10T4W5 HM1L3K3M4O8 ZO3R8R1G4E5文档编码:CX6W8D10T4W5 HM1L3K3M4O8 ZO3R8R1G4E5文档编码:CX6W8D10T4W5 HM1L3K3M4O8 ZO3R8R1G4E5文档编码:CX6W8D10T4W5 HM1L3K3M4O8 ZO3R8R1G4E5文档编码:CX6W8D10T4W5 HM1L3K3M4O8 ZO3R8R1G4E5文档编码:CX6W8D10T4W5 HM1L3K3M4O8 ZO3R8R1G4E5文档编码:CX6W8D10T4W5 HM1L3K3M4O8 ZO3R8
18、R1G4E5文档编码:CX6W8D10T4W5 HM1L3K3M4O8 ZO3R8R1G4E5文档编码:CX6W8D10T4W5 HM1L3K3M4O8 ZO3R8R1G4E5文档编码:CX6W8D10T4W5 HM1L3K3M4O8 ZO3R8R1G4E5文档编码:CX6W8D10T4W5 HM1L3K3M4O8 ZO3R8R1G4E5文档编码:CX6W8D10T4W5 HM1L3K3M4O8 ZO3R8R1G4E5教学内容是教材第3 页例题 2 和例题 3。例题 2 是教学一个数乘分数的意义；例题 3 是教学分数乘分数的计算方法。教学一个数乘分数的意义时，教材通过整数乘法意义进行正向迁移，
19、从“一个数的几倍是多少”过渡到“一个数的几分之几是多少”从而理解一个数乘分数的意义。目标1.尝试自主探索学习新知，学会在合作交流过程中，理解一个数乘分数的意义。2.掌握分数乘分数的计算法则，会正确进行计算。3.学会运用迁移、类推、归纳、交流等数学活动，培养类推、归纳能力。评价任务1.在小组内说说一个数乘分数的意义。2.同桌相互举例，说出式子表示的意义。3.掌握分数乘分数的计算法则，会正确进行计算。教学过程一、复习旧知口算51 4=2544=3258 6521243=540=41+517-43评价要点：学生能快速地根据分数乘整数的计算法则进行计算，会计算异分母分数的加减法。二、学习新知例 2 一
20、桶水有 12L。3 桶共多少升？算式：想：求 3 个 12L，就是求 12L 的（）是多少。21桶是多少升？算式:想：求 12L 的一半，就是求 12L 的（）。41桶是多少升？算式：想：求 12L 的()()是多少。小组交流，总结出一个数乘分数的意义。在这里，一个数乘几分之几表示的是求这个数的几分之几是多少。文档编码:CX6W8D10T4W5 HM1L3K3M4O8 ZO3R8R1G4E5文档编码:CX6W8D10T4W5 HM1L3K3M4O8 ZO3R8R1G4E5文档编码:CX6W8D10T4W5 HM1L3K3M4O8 ZO3R8R1G4E5文档编码:CX6W8D10T4W5 HM1
21、L3K3M4O8 ZO3R8R1G4E5文档编码:CX6W8D10T4W5 HM1L3K3M4O8 ZO3R8R1G4E5文档编码:CX6W8D10T4W5 HM1L3K3M4O8 ZO3R8R1G4E5文档编码:CX6W8D10T4W5 HM1L3K3M4O8 ZO3R8R1G4E5文档编码:CX6W8D10T4W5 HM1L3K3M4O8 ZO3R8R1G4E5文档编码:CX6W8D10T4W5 HM1L3K3M4O8 ZO3R8R1G4E5文档编码:CX6W8D10T4W5 HM1L3K3M4O8 ZO3R8R1G4E5文档编码:CX6W8D10T4W5 HM1L3K3M4O8 ZO3R
22、8R1G4E5文档编码:CX6W8D10T4W5 HM1L3K3M4O8 ZO3R8R1G4E5文档编码:CX6W8D10T4W5 HM1L3K3M4O8 ZO3R8R1G4E5文档编码:CX6W8D10T4W5 HM1L3K3M4O8 ZO3R8R1G4E5文档编码:CX6W8D10T4W5 HM1L3K3M4O8 ZO3R8R1G4E5文档编码:CX6W8D10T4W5 HM1L3K3M4O8 ZO3R8R1G4E5文档编码:CX6W8D10T4W5 HM1L3K3M4O8 ZO3R8R1G4E5文档编码:CX6W8D10T4W5 HM1L3K3M4O8 ZO3R8R1G4E5文档编码:C
23、X6W8D10T4W5 HM1L3K3M4O8 ZO3R8R1G4E5文档编码:CX6W8D10T4W5 HM1L3K3M4O8 ZO3R8R1G4E5文档编码:CX6W8D10T4W5 HM1L3K3M4O8 ZO3R8R1G4E5文档编码:CX6W8D10T4W5 HM1L3K3M4O8 ZO3R8R1G4E5文档编码:CX6W8D10T4W5 HM1L3K3M4O8 ZO3R8R1G4E5文档编码:CX6W8D10T4W5 HM1L3K3M4O8 ZO3R8R1G4E5文档编码:CX6W8D10T4W5 HM1L3K3M4O8 ZO3R8R1G4E5文档编码:CX6W8D10T4W5 H
24、M1L3K3M4O8 ZO3R8R1G4E5文档编码:CX6W8D10T4W5 HM1L3K3M4O8 ZO3R8R1G4E5文档编码:CX6W8D10T4W5 HM1L3K3M4O8 ZO3R8R1G4E5文档编码:CX6W8D10T4W5 HM1L3K3M4O8 ZO3R8R1G4E5文档编码:CX6W8D10T4W5 HM1L3K3M4O8 ZO3R8R1G4E5文档编码:CX6W8D10T4W5 HM1L3K3M4O8 ZO3R8R1G4E5文档编码:CX6W8D10T4W5 HM1L3K3M4O8 ZO3R8R1G4E5文档编码:CX6W8D10T4W5 HM1L3K3M4O8 ZO
25、3R8R1G4E5文档编码:CX6W8D10T4W5 HM1L3K3M4O8 ZO3R8R1G4E5文档编码:CX6W8D10T4W5 HM1L3K3M4O8 ZO3R8R1G4E5文档编码:CX6W8D10T4W5 HM1L3K3M4O8 ZO3R8R1G4E5文档编码:CX6W8D10T4W5 HM1L3K3M4O8 ZO3R8R1G4E5文档编码:CX6W8D10T4W5 HM1L3K3M4O8 ZO3R8R1G4E5文档编码:CX6W8D10T4W5 HM1L3K3M4O8 ZO3R8R1G4E5文档编码:CX6W8D10T4W5 HM1L3K3M4O8 ZO3R8R1G4E5文档编码
26、:CX6W8D10T4W5 HM1L3K3M4O8 ZO3R8R1G4E5文档编码:CX6W8D10T4W5 HM1L3K3M4O8 ZO3R8R1G4E5文档编码:CX6W8D10T4W5 HM1L3K3M4O8 ZO3R8R1G4E5文档编码:CX6W8D10T4W5 HM1L3K3M4O8 ZO3R8R1G4E5文档编码:CX6W8D10T4W5 HM1L3K3M4O8 ZO3R8R1G4E5文档编码:CX6W8D10T4W5 HM1L3K3M4O8 ZO3R8R1G4E5文档编码:CX6W8D10T4W5 HM1L3K3M4O8 ZO3R8R1G4E5文档编码:CX6W8D10T4W5
27、 HM1L3K3M4O8 ZO3R8R1G4E5评价要点：学生会说出一个数乘分数的意义，并会举出例子。做一做一袋面粉重 3kg。已经吃了它的103，吃了多少千克？例 3 李伯伯家有一块21公顷的地。种土豆的面积占这块地的51，种玉米的面积占53。（1）种土豆的面积是多少公顷？这是求21公顷的51是多少。学生拿一张纸表示1 公顷，求21公顷的51，就是把21公顷平均分成 5 份，取其中的 1 份。也就是把 1 公顷平均分成（2 5）份，取其中的 1 份，即101。（2）种玉米的面积是多少公顷？这是求21公顷的53是多少。小组交流，讨论结果。讨论：分数乘分数怎样计算？评价要点;学生能运用分数乘分数
28、的计算法则正确进行计算。三、达标测评1.只列式不计算。（1）54kg 的21是多少？（2）127小时的74是多少？2.一面墙的面积是20，已经刷完了整面墙的31。已经刷完的面积是多少平方米？文档编码:CX6W8D10T4W5 HM1L3K3M4O8 ZO3R8R1G4E5文档编码:CX6W8D10T4W5 HM1L3K3M4O8 ZO3R8R1G4E5文档编码:CX6W8D10T4W5 HM1L3K3M4O8 ZO3R8R1G4E5文档编码:CX6W8D10T4W5 HM1L3K3M4O8 ZO3R8R1G4E5文档编码:CX6W8D10T4W5 HM1L3K3M4O8 ZO3R8R1G4E5
29、文档编码:CX6W8D10T4W5 HM1L3K3M4O8 ZO3R8R1G4E5文档编码:CX6W8D10T4W5 HM1L3K3M4O8 ZO3R8R1G4E5文档编码:CX6W8D10T4W5 HM1L3K3M4O8 ZO3R8R1G4E5文档编码:CX6W8D10T4W5 HM1L3K3M4O8 ZO3R8R1G4E5文档编码:CX6W8D10T4W5 HM1L3K3M4O8 ZO3R8R1G4E5文档编码:CX6W8D10T4W5 HM1L3K3M4O8 ZO3R8R1G4E5文档编码:CX6W8D10T4W5 HM1L3K3M4O8 ZO3R8R1G4E5文档编码:CX6W8D10
30、T4W5 HM1L3K3M4O8 ZO3R8R1G4E5文档编码:CX6W8D10T4W5 HM1L3K3M4O8 ZO3R8R1G4E5文档编码:CX6W8D10T4W5 HM1L3K3M4O8 ZO3R8R1G4E5文档编码:CX6W8D10T4W5 HM1L3K3M4O8 ZO3R8R1G4E5文档编码:CX6W8D10T4W5 HM1L3K3M4O8 ZO3R8R1G4E5文档编码:CX6W8D10T4W5 HM1L3K3M4O8 ZO3R8R1G4E5文档编码:CX6W8D10T4W5 HM1L3K3M4O8 ZO3R8R1G4E5文档编码:CX6W8D10T4W5 HM1L3K3M
31、4O8 ZO3R8R1G4E5文档编码:CX6W8D10T4W5 HM1L3K3M4O8 ZO3R8R1G4E5文档编码:CX6W8D10T4W5 HM1L3K3M4O8 ZO3R8R1G4E5文档编码:CX6W8D10T4W5 HM1L3K3M4O8 ZO3R8R1G4E5文档编码:CX6W8D10T4W5 HM1L3K3M4O8 ZO3R8R1G4E5文档编码:CX6W8D10T4W5 HM1L3K3M4O8 ZO3R8R1G4E5文档编码:CX6W8D10T4W5 HM1L3K3M4O8 ZO3R8R1G4E5文档编码:CX6W8D10T4W5 HM1L3K3M4O8 ZO3R8R1G4
32、E5文档编码:CX6W8D10T4W5 HM1L3K3M4O8 ZO3R8R1G4E5文档编码:CX6W8D10T4W5 HM1L3K3M4O8 ZO3R8R1G4E5文档编码:CX6W8D10T4W5 HM1L3K3M4O8 ZO3R8R1G4E5文档编码:CX6W8D10T4W5 HM1L3K3M4O8 ZO3R8R1G4E5文档编码:CX6W8D10T4W5 HM1L3K3M4O8 ZO3R8R1G4E5文档编码:CX6W8D10T4W5 HM1L3K3M4O8 ZO3R8R1G4E5文档编码:CX6W8D10T4W5 HM1L3K3M4O8 ZO3R8R1G4E5文档编码:CX6W8D
33、10T4W5 HM1L3K3M4O8 ZO3R8R1G4E5文档编码:CX6W8D10T4W5 HM1L3K3M4O8 ZO3R8R1G4E5文档编码:CX6W8D10T4W5 HM1L3K3M4O8 ZO3R8R1G4E5文档编码:CX6W8D10T4W5 HM1L3K3M4O8 ZO3R8R1G4E5文档编码:CX6W8D10T4W5 HM1L3K3M4O8 ZO3R8R1G4E5文档编码:CX6W8D10T4W5 HM1L3K3M4O8 ZO3R8R1G4E5文档编码:CX6W8D10T4W5 HM1L3K3M4O8 ZO3R8R1G4E5文档编码:CX6W8D10T4W5 HM1L3K
34、3M4O8 ZO3R8R1G4E5文档编码:CX6W8D10T4W5 HM1L3K3M4O8 ZO3R8R1G4E5文档编码:CX6W8D10T4W5 HM1L3K3M4O8 ZO3R8R1G4E5文档编码:CX6W8D10T4W5 HM1L3K3M4O8 ZO3R8R1G4E5文档编码:CX6W8D10T4W5 HM1L3K3M4O8 ZO3R8R1G4E5文档编码:CX6W8D10T4W5 HM1L3K3M4O8 ZO3R8R1G4E5文档编码:CX6W8D10T4W5 HM1L3K3M4O8 ZO3R8R1G4E5文档编码:CX6W8D10T4W5 HM1L3K3M4O8 ZO3R8R1
35、G4E5文档编码:CX6W8D10T4W5 HM1L3K3M4O8 ZO3R8R1G4E5文档编码:CX6W8D10T4W5 HM1L3K3M4O8 ZO3R8R1G4E5文档编码:CX6W8D10T4W5 HM1L3K3M4O8 ZO3R8R1G4E5文档编码:CX6W8D10T4W5 HM1L3K3M4O8 ZO3R8R1G4E5文档编码:CX6W8D10T4W5 HM1L3K3M4O8 ZO3R8R1G4E5文档编码:CX6W8D10T4W5 HM1L3K3M4O8 ZO3R8R1G4E5文档编码:CX6W8D10T4W5 HM1L3K3M4O8 ZO3R8R1G4E5文档编码:CX6W
36、8D10T4W5 HM1L3K3M4O8 ZO3R8R1G4E5文档编码:CX6W8D10T4W5 HM1L3K3M4O8 ZO3R8R1G4E5文档编码:CX6W8D10T4W5 HM1L3K3M4O8 ZO3R8R1G4E5文档编码:CX6W8D10T4W5 HM1L3K3M4O8 ZO3R8R1G4E5文档编码:CX6W8D10T4W5 HM1L3K3M4O8 ZO3R8R1G4E5文档编码:CX6W8D10T4W5 HM1L3K3M4O8 ZO3R8R1G4E5文档编码:CX6W8D10T4W5 HM1L3K3M4O8 ZO3R8R1G4E5文档编码:CX6W8D10T4W5 HM1L
37、3K3M4O8 ZO3R8R1G4E5文档编码:CX6W8D10T4W5 HM1L3K3M4O8 ZO3R8R1G4E5文档编码:CX6W8D10T4W5 HM1L3K3M4O8 ZO3R8R1G4E5文档编码:CX6W8D10T4W5 HM1L3K3M4O8 ZO3R8R1G4E5文档编码:CX6W8D10T4W5 HM1L3K3M4O8 ZO3R8R1G4E5文档编码:CX6W8D10T4W5 HM1L3K3M4O8 ZO3R8R1G4E5文档编码:CX6W8D10T4W5 HM1L3K3M4O8 ZO3R8R1G4E5文档编码:CX6W8D10T4W5 HM1L3K3M4O8 ZO3R8
38、R1G4E5文档编码:CX6W8D10T4W5 HM1L3K3M4O8 ZO3R8R1G4E5文档编码:CX6W8D10T4W5 HM1L3K3M4O8 ZO3R8R1G4E5文档编码:CX6W8D10T4W5 HM1L3K3M4O8 ZO3R8R1G4E5文档编码:CX6W8D10T4W5 HM1L3K3M4O8 ZO3R8R1G4E5文档编码:CX6W8D10T4W5 HM1L3K3M4O8 ZO3R8R1G4E5文档编码:CX6W8D10T4W5 HM1L3K3M4O8 ZO3R8R1G4E5文档编码:CX6W8D10T4W5 HM1L3K3M4O8 ZO3R8R1G4E5文档编码:CX
39、6W8D10T4W5 HM1L3K3M4O8 ZO3R8R1G4E5文档编码:CX6W8D10T4W5 HM1L3K3M4O8 ZO3R8R1G4E5文档编码:CX6W8D10T4W5 HM1L3K3M4O8 ZO3R8R1G4E5文档编码:CX6W8D10T4W5 HM1L3K3M4O8 ZO3R8R1G4E5文档编码:CX6W8D10T4W5 HM1L3K3M4O8 ZO3R8R1G4E5文档编码:CX6W8D10T4W5 HM1L3K3M4O8 ZO3R8R1G4E5文档编码:CX6W8D10T4W5 HM1L3K3M4O8 ZO3R8R1G4E5文档编码:CX6W8D10T4W5 HM
40、1L3K3M4O8 ZO3R8R1G4E5文档编码:CX6W8D10T4W5 HM1L3K3M4O8 ZO3R8R1G4E5文档编码:CX6W8D10T4W5 HM1L3K3M4O8 ZO3R8R1G4E5文档编码:CX6W8D10T4W5 HM1L3K3M4O8 ZO3R8R1G4E5文档编码:CX6W8D10T4W5 HM1L3K3M4O8 ZO3R8R1G4E5文档编码:CX6W8D10T4W5 HM1L3K3M4O8 ZO3R8R1G4E5文档编码:CX6W8D10T4W5 HM1L3K3M4O8 ZO3R8R1G4E5文档编码:CX6W8D10T4W5 HM1L3K3M4O8 ZO3
41、R8R1G4E5文档编码:CX6W8D10T4W5 HM1L3K3M4O8 ZO3R8R1G4E5文档编码:CX6W8D10T4W5 HM1L3K3M4O8 ZO3R8R1G4E5文档编码:CX6W8D10T4W5 HM1L3K3M4O8 ZO3R8R1G4E5评价要点：学生能运用分数乘分数的计算法则灵活地进行计算，能快速判断出什么样的情况下能约分。四、课堂小结本节课你有什么收获？评价要点：学生能正确说出一个数乘分数的意义和分数乘分数的计算法则。五、布置作业练习一的第4、5、7 题。分数乘分数练习课教材来源：教育部审定2013 义务教育教科书数学（上册）/人民教育出版社2014年版内容来源：小
42、学六年级数学（上册）第一单元主题：分数乘分数课时：共 13 课时，第 3 课时授课对象：六年级学生设 计 者：张秋白目标1.尝试自主探索学习新知，学会在合作交流过程中，理解一个数乘分数的意义。2.掌握分数乘分数的计算法则，会正确进行计算。3.学会运用迁移、类推、归纳、交流等数学活动，培养类推、归纳能力。教学过程1.口算。13565 54 15 151475 65 10 12760 24185186778 13534179521342.填空。文档编码:CX6W8D10T4W5 HM1L3K3M4O8 ZO3R8R1G4E5文档编码:CX6W8D10T4W5 HM1L3K3M4O8 ZO3R8R1
43、G4E5文档编码:CX6W8D10T4W5 HM1L3K3M4O8 ZO3R8R1G4E5文档编码:CX6W8D10T4W5 HM1L3K3M4O8 ZO3R8R1G4E5文档编码:CX6W8D10T4W5 HM1L3K3M4O8 ZO3R8R1G4E5文档编码:CX6W8D10T4W5 HM1L3K3M4O8 ZO3R8R1G4E5文档编码:CX6W8D10T4W5 HM1L3K3M4O8 ZO3R8R1G4E5文档编码:CX6W8D10T4W5 HM1L3K3M4O8 ZO3R8R1G4E5文档编码:CX6W8D10T4W5 HM1L3K3M4O8 ZO3R8R1G4E5文档编码:CX6W
44、8D10T4W5 HM1L3K3M4O8 ZO3R8R1G4E5文档编码:CX6W8D10T4W5 HM1L3K3M4O8 ZO3R8R1G4E5文档编码:CX6W8D10T4W5 HM1L3K3M4O8 ZO3R8R1G4E5文档编码:CX6W8D10T4W5 HM1L3K3M4O8 ZO3R8R1G4E5文档编码:CX6W8D10T4W5 HM1L3K3M4O8 ZO3R8R1G4E5文档编码:CX6W8D10T4W5 HM1L3K3M4O8 ZO3R8R1G4E5文档编码:CX6W8D10T4W5 HM1L3K3M4O8 ZO3R8R1G4E5文档编码:CX6W8D10T4W5 HM1L
45、3K3M4O8 ZO3R8R1G4E5文档编码:CX6W8D10T4W5 HM1L3K3M4O8 ZO3R8R1G4E5文档编码:CX6W8D10T4W5 HM1L3K3M4O8 ZO3R8R1G4E5文档编码:CX6W8D10T4W5 HM1L3K3M4O8 ZO3R8R1G4E5文档编码:CX6W8D10T4W5 HM1L3K3M4O8 ZO3R8R1G4E5文档编码:CX6W8D10T4W5 HM1L3K3M4O8 ZO3R8R1G4E5文档编码:CX6W8D10T4W5 HM1L3K3M4O8 ZO3R8R1G4E5文档编码:CX6W8D10T4W5 HM1L3K3M4O8 ZO3R8
46、R1G4E5文档编码:CX6W8D10T4W5 HM1L3K3M4O8 ZO3R8R1G4E5文档编码:CX6W8D10T4W5 HM1L3K3M4O8 ZO3R8R1G4E5文档编码:CX6W8D10T4W5 HM1L3K3M4O8 ZO3R8R1G4E5文档编码:CX6W8D10T4W5 HM1L3K3M4O8 ZO3R8R1G4E5文档编码:CX6W8D10T4W5 HM1L3K3M4O8 ZO3R8R1G4E5文档编码:CX6W8D10T4W5 HM1L3K3M4O8 ZO3R8R1G4E5文档编码:CX6W8D10T4W5 HM1L3K3M4O8 ZO3R8R1G4E5文档编码:CX
47、6W8D10T4W5 HM1L3K3M4O8 ZO3R8R1G4E5文档编码:CX6W8D10T4W5 HM1L3K3M4O8 ZO3R8R1G4E5文档编码:CX6W8D10T4W5 HM1L3K3M4O8 ZO3R8R1G4E5文档编码:CX6W8D10T4W5 HM1L3K3M4O8 ZO3R8R1G4E5文档编码:CX6W8D10T4W5 HM1L3K3M4O8 ZO3R8R1G4E5文档编码:CX6W8D10T4W5 HM1L3K3M4O8 ZO3R8R1G4E5文档编码:CX6W8D10T4W5 HM1L3K3M4O8 ZO3R8R1G4E5文档编码:CX6W8D10T4W5 HM
48、1L3K3M4O8 ZO3R8R1G4E5文档编码:CX6W8D10T4W5 HM1L3K3M4O8 ZO3R8R1G4E5文档编码:CX6W8D10T4W5 HM1L3K3M4O8 ZO3R8R1G4E5文档编码:CX6W8D10T4W5 HM1L3K3M4O8 ZO3R8R1G4E5文档编码:CX6W8D10T4W5 HM1L3K3M4O8 ZO3R8R1G4E5文档编码:CX6W8D10T4W5 HM1L3K3M4O8 ZO3R8R1G4E5文档编码:CX6W8D10T4W5 HM1L3K3M4O8 ZO3R8R1G4E5文档编码:CX6W8D10T4W5 HM1L3K3M4O8 ZO3
49、R8R1G4E5文档编码:CX6W8D10T4W5 HM1L3K3M4O8 ZO3R8R1G4E5文档编码:CX6W8D10T4W5 HM1L3K3M4O8 ZO3R8R1G4E5（1）65 8 表示（），865表示（），8365表示（）。（2）一根电线长43米，32根长多少米就是求（）。3.解决问题（1）一种豆油每千克含油253千克，20 千克这样的豆油含油多少千克？54千克呢？（2）一辆汽车每小时行驶60 千米，43小时行驶多少千米？（3）一个长方体长54米，宽32米，高83米，它的体积是多少立方米？4.列式计算（1）85米的21是多少米？（2）74千克的125是多少千克？（3）54吨的8
50、3是多少吨？5.计算533285154127741476911223120 5465 24 12518 6.布置作业补充习题文档编码:CX6W8D10T4W5 HM1L3K3M4O8 ZO3R8R1G4E5文档编码:CX6W8D10T4W5 HM1L3K3M4O8 ZO3R8R1G4E5文档编码:CX6W8D10T4W5 HM1L3K3M4O8 ZO3R8R1G4E5文档编码:CX6W8D10T4W5 HM1L3K3M4O8 ZO3R8R1G4E5文档编码:CX6W8D10T4W5 HM1L3K3M4O8 ZO3R8R1G4E5文档编码:CX6W8D10T4W5 HM1L3K3M4O8 ZO3