按比例分配解决问题PPT

按比例分配解决问题PPT obstacles, correcting misunderstandings, advocate good cadre style. 2, adhere to the scientific decision-making and democratic decision-making decision-making law. Correctly handle to ensure that government decrees and based on the actual creative work, giving full play to subjective initiative, put an end to implement the conference meeting, to document the implementation of documents etc. Improve the scientific and democratic decision-making mechanism, improve and implement the decision to solicit the views of experts, the public hearing system. Improve the important decision of risk assessment mechanism and legal review mechanism. 3, to promote team unity. Uphold and improve the system of annual party book talk heart to heart, mind and Party members, Party members to exchange each other not less than 2 times. The implementation of sound team democratic life system, consolidate and enhance the party's mass line educational practice will promote the achievement of the topic of democratic life, criticism and self-criticism normalization, a long-term. Adhere to the party on the basis of the principle of unity, enhance internal communication, strengthen internal supervision, self Sleep maintenance team collective image and authority. (three) to ensure the execution is not strong or disguised to resist government decrees issues. Individual Bureau leadership team members lack of learning political theory system, not from the objective reality, not with the party's interests above all the principles to deal with personal problems. In the specific work safety supervision in the execution is not strong, in the implementation of the decision to deploy the discount, make choices, engage in work, the implementation of the agreement, uncomfortable is not performed, open or disguised to resist, the lack of subject consciousness of the party organization, the lack of resist in society all kinds of bad habits and unwholesome tendencies of courage Gas and courage. Such as the liability insurance of safe production work, individual leaders that have someone arrested, and no funding, not in the global chess perspective to the countryside to carry out daily inspection, found none of my business acceptance of the resumption of production in an armchair, with a pen, indifferent. Corrective measures: (LED Leadership: Luo Mingjun, rectification time: before September 25th, insist for a long time) 1, to strengthen the sense of responsibility, work to solve the lack of decent occupation explain away, conduct problems. To establish the overall concept, eliminate departmentalism. Strict assessment and accountability, to solve the spiritual slack, nianqingpazhong, status quo, To establish and perfect the muddle along and other issues. Bureau staff conduct work regulations, standardize the behavior of personnel. 2, strengthen the responsibility system. One is the in-depth study and implement the "Hunan provincial Party and government leading cadres Interim Provisions on the work safety of a pair of > (Hunan Office issued 2013 No. 教学课题: 西师版小学数学第十一册《按比例分配解决问题》(课本第74~75页的例题1、例2及练习十六的有关内容) 教学目标 : 1(使学生理解把一个数量按照一定的比来进行分配的意义。 2(让学生掌握按比例分配解决问题的解答方法，并能正确地解答这类问题。 3(通过解决问题，发展学生的应用意识和实践能力。 教学重点和难点: 1(理解按比例分配问题的意义。 2(掌握怎样根据比算出总份数及各部分量占总数量的几分之几的解题方法。 教学关键:根据比算出总份数及各部分量占总数量的几分之几。 教学准备: 自制例题幻灯片，电视 教学过程 设计 领导形象设计圆作业设计ao工艺污水处理厂设计附属工程施工组织设计清扫机器人结构设计 : (一)复习准备 1(旧知铺垫 已知六年级1班男生人数和女生人数的比是3?4。 男生人数与全班人数的比是( )?( )。 女生人数与全班人数的比是( )?( )。 2(创设情境，提出课题。 (1)妈妈有10块糖，平均分给哥哥和弟弟。每人可以得到几块糖,(每人可分到5块糖。) 提问:妈妈是怎样分的,(平均分) (2)如果妈妈分给弟弟4块，分给哥哥6块，弟弟和哥哥糖数的比是多少,(弟弟和哥哥糖数的比是2?3。) 提问:这样分还是平均分吗, 日常生活中，很多分配问题并不是平均分配，那么，你们想知道还可以按照什么分配吗, (3)演示:,,个练习本，按,?,分给甲、乙两个小组，每个小组各分多少本,要求学生思考。学生思考一段时间后，教师演示:甲组分,本，乙组分,本;甲组分,本，乙组分,本„„当学生看到演示结果为“甲组分了,本，乙组分了,本”时，教师进行小结:以前我们学了平均分配问题，今天我们继续研究有关分配的问题，学习按比例分配解决问题。 板书课题:按比例分配解决问题 二、自学讨论，探究新知 1( 课件 超市陈列培训课件免费下载搭石ppt课件免费下载公安保密教育课件下载病媒生物防治课件 可下载高中数学必修四课件打包下载 出示例1 陈红拿出6元，赵青拿出4元，一共买了15本同样的 笔记 哲学笔记pdf明清笔记pdf政法笔记下载课堂笔记下载生物化学笔记PDF 本，他们应该怎样分这些笔记本, ,(引导提问:(,)平均分合理吗,你认为怎样分才合理,(,)总数是多少,obstacles, correcting misunderstandings, advocate good cadre style. 2, adhere to the scientific decision-making and democratic decision-making decision-making law. Correctly handle to ensure that government decrees and based on the actual creative work, giving full play to subjective initiative, put an end to implement the conference meeting, to document the implementation of documents etc. Improve the scientific and democratic decision-making mechanism, improve and implement the decision to solicit the views of experts, the public hearing system. Improve the important decision of risk assessment mechanism and legal review mechanism. 3, to promote team unity. Uphold and improve the system of annual party book talk heart to heart, mind and Party members, Party members to exchange each other not less than 2 times. The implementation of sound team democratic life system, consolidate and enhance the party's mass line educational practice will promote the achievement of the topic of democratic life, criticism and self-criticism normalization, a long-term. Adhere to the party on the basis of the principle of unity, enhance internal communication, strengthen internal supervision, self Sleep maintenance team collective image and authority. (three) to ensure the execution is not strong or disguised to resist government decrees issues. Individual Bureau leadership team members lack of learning political theory system, not from the objective reality, not with the party's interests above all the principles to deal with personal problems. In the specific work safety supervision in the execution is not strong, in the implementation of the decision to deploy the discount, make choices, engage in work, the implementation of the agreement, uncomfortable is not performed, open or disguised to resist, the lack of subject consciousness of the party organization, the lack of resist in society all kinds of bad habits and unwholesome tendencies of courage Gas and courage. Such as the liability insurance of safe production work, individual leaders that have someone arrested, and no funding, not in the global chess perspective to the countryside to carry out daily inspection, found none of my business acceptance of the resumption of production in an armchair, with a pen, indifferent. Corrective measures: (LED Leadership: Luo Mingjun, rectification time: before September 25th, insist for a long time) 1, to strengthen the sense of responsibility, work to solve the lack of decent occupation explain away, conduct problems. To establish the overall concept, eliminate departmentalism. Strict assessment and accountability, to solve the spiritual slack, nianqingpazhong, status quo, To establish and perfect the muddle along and other issues. Bureau staff conduct work regulations, standardize the behavior of personnel. 2, strengthen the responsibility system. One is the in-depth study and implement the "Hunan provincial Party and government leading cadres Interim Provisions on the work safety of a pair of > (Hunan Office issued 2013 No. 按什么要求分, ,(学生尝试 分析 定性数据统计分析pdf销售业绩分析模板建筑结构震害分析销售进度分析表京东商城竞争战略分析 (1)(陈红、赵青拿出的钱数的比是6:4=3:2 (2)(3:2 表 关于同志近三年现实表现材料材料类招标技术评分表图表与交易pdf视力表打印pdf用图表说话 pdf 示陈红出3份的钱，赵青出2份的钱 4 .解决问题 解法一: 总份数:3+2=5 3陈红应分的本数:15×=9(本) 5 2赵青应分的本数:15×=6(本) 5 解法二: 设每份是x本。 3x+2x=15 5x=15 x=3 陈红应分的本数:3×3=9(本) 2=6(本) 赵青应分的本数:3× 答:略。 5( 学生练习 (,)某班有学生,,人，女生与男生的比是,?,，求男生、女生各多少人, (,)把,,,本图书，按,?,分给二年级和三年级，每个年级各分多少本, 6( 学生再讨论，找出检验方法。讨论题如下:(,)把分得的各部分数量相加， 看是不是等于总量。(,)把求得的各部分数量写成比的形式，化简后看是不是 与原题的比相同。 7( 学生自学，独立解答例,。 课件出示例2 教师按照学生汇报情况板书: 100 : 60 : 240 = 5 : 3 : 12 5 + 3 + 12 = 20 5沙子:180×=45(吨) 20 3石子:180×=27(吨) 20 12水泥:180×=108(吨) 20 答:略。 8.小结: 怎样解决按比例分配的问题(课件出示解决方法) obstacles, correcting misunderstandings, advocate good cadre style. 2, adhere to the scientific decision-making and democratic decision-making decision-making law. Correctly handle to ensure that government decrees and based on the actual creative work, giving full play to subjective initiative, put an end to implement the conference meeting, to document the implementation of documents etc. Improve the scientific and democratic decision-making mechanism, improve and implement the decision to solicit the views of experts, the public hearing system. Improve the important decision of risk assessment mechanism and legal review mechanism. 3, to promote team unity. Uphold and improve the system of annual party book talk heart to heart, mind and Party members, Party members to exchange each other not less than 2 times. The implementation of sound team democratic life system, consolidate and enhance the party's mass line educational practice will promote the achievement of the topic of democratic life, criticism and self-criticism normalization, a long-term. Adhere to the party on the basis of the principle of unity, enhance internal communication, strengthen internal supervision, self Sleep maintenance team collective image and authority. (three) to ensure the execution is not strong or disguised to resist government decrees issues. Individual Bureau leadership team members lack of learning political theory system, not from the objective reality, not with the party's interests above all the principles to deal with personal problems. In the specific work safety supervision in the execution is not strong, in the implementation of the decision to deploy the discount, make choices, engage in work, the implementation of the agreement, uncomfortable is not performed, open or disguised to resist, the lack of subject consciousness of the party organization, the lack of resist in society all kinds of bad habits and unwholesome tendencies of courage Gas and courage. Such as the liability insurance of safe production work, individual leaders that have someone arrested, and no funding, not in the global chess perspective to the countryside to carry out daily inspection, found none of my business acceptance of the resumption of production in an armchair, with a pen, indifferent. Corrective measures: (LED Leadership: Luo Mingjun, rectification time: before September 25th, insist for a long time) 1, to strengthen the sense of responsibility, work to solve the lack of decent occupation explain away, conduct problems. To establish the overall concept, eliminate departmentalism. Strict assessment and accountability, to solve the spiritual slack, nianqingpazhong, status quo, To establish and perfect the muddle along and other issues. Bureau staff conduct work regulations, standardize the behavior of personnel. 2, strengthen the responsibility system. One is the in-depth study and implement the "Hunan provincial Party and government leading cadres Interim Provisions on the work safety of a pair of > (Hunan Office issued 2013 No. 三、巩固练习，培养能力 教师进行课堂小结后，布置学生完成以下习题: (,)学校图书室文艺书和科技书本数的比是,?,，总份数是多少,文艺书和科技书各占总数量的几分之几, (,)甲、乙、丙三个数的比是,?,?,，总份数是多少,各占总份数的几分之几, (,)某车间要生产,,,个零件，按照两组人数平均分配。第一组,,人，第二组,,人，两个组各应生产多少个零件, (,)三角形三个内角的度数比是,?,?,，它的每个内角各多少度, (,)学校买来篮球、足球,,个，篮球是足球的,/,，篮球、足球各多少个, 四、布置作业 完成练习十六的1~4题 教后反思: 这次提供的是小学数学第十一册《按比例分配解决问题》，按比例分配是一种分配思想，在生活、生产中是很常见的。教学中通过解决实际生活问题，让学生了解在生活、生产中常常要把一个数量按照数量的多少来分配，感悟“按比例分配”存在的价值。由于学生面临的是生活的实际问题，于是激发学生产生解决问题的兴趣，主动的参与探索，寻求解决问题的方法，每个孩子都能体会到数学就在我们身边，引导学生自主探索、合作交流，从不同角度思考问题，得到不同解决问题的方法，有利于凸显学生个性化学习，培养学生的应用意识，提高解决问题的能力。 obstacles, correcting misunderstandings, advocate good cadre style. 2, adhere to the scientific decision-making and democratic decision-making decision-making law. Correctly handle to ensure that government decrees and based on the actual creative work, giving full play to subjective initiative, put an end to implement the conference meeting, to document the implementation of documents etc. Improve the scientific and democratic decision-making mechanism, improve and implement the decision to solicit the views of experts, the public hearing system. Improve the important decision of risk assessment mechanism and legal review mechanism. 3, to promote team unity. Uphold and improve the system of annual party book talk heart to heart, mind and Party members, Party members to exchange each other not less than 2 times. The implementation of sound team democratic life system, consolidate and enhance the party's mass line educational practice will promote the achievement of the topic of democratic life, criticism and self-criticism normalization, a long-term. Adhere to the party on the basis of the principle of unity, enhance internal communication, strengthen internal supervision, self Sleep maintenance team collective image and authority. (three) to ensure the execution is not strong or disguised to resist government decrees issues. Individual Bureau leadership team members lack of learning political theory system, not from the objective reality, not with the party's interests above all the principles to deal with personal problems. In the specific work safety supervision in the execution is not strong, in the implementation of the decision to deploy the discount, make choices, engage in work, the implementation of the agreement, uncomfortable is not performed, open or disguised to resist, the lack of subject consciousness of the party organization, the lack of resist in society all kinds of bad habits and unwholesome tendencies of courage Gas and courage. Such as the liability insurance of safe production work, individual leaders that have someone arrested, and no funding, not in the global chess perspective to the countryside to carry out daily inspection, found none of my business acceptance of the resumption of production in an armchair, with a pen, indifferent. Corrective measures: (LED Leadership: Luo Mingjun, rectification time: before September 25th, insist for a long time) 1, to strengthen the sense of responsibility, work to solve the lack of decent occupation explain away, conduct problems. To establish the overall concept, eliminate departmentalism. Strict assessment and accountability, to solve the spiritual slack, nianqingpazhong, status quo, To establish and perfect the muddle along and other issues. Bureau staff conduct work regulations, standardize the behavior of personnel. 2, strengthen the responsibility system. One is the in-depth study and implement the "Hunan provincial Party and government leading cadres Interim Provisions on the work safety of a pair of > (Hunan Office issued 2013 No. obstacles, correcting misunderstandings, advocate good cadre style. 2, adhere to the scientific decision-making and democratic decision-making decision-making law. Correctly handle to ensure that government decrees and based on the actual creative work, giving full play to subjective initiative, put an end to implement the conference meeting, to document the implementation of documents etc. Improve the scientific and democratic decision-making mechanism, improve and implement the decision to solicit the views of experts, the public hearing system. Improve the important decision of risk assessment mechanism and legal review mechanism. 3, to promote team unity. Uphold and improve the system of annual party book talk heart to heart, mind and Party members, Party members to exchange each other not less than 2 times. The implementation of sound team democratic life system, consolidate and enhance the party's mass line educational practice will promote the achievement of the topic of democratic life, criticism and self-criticism normalization, a long-term. Adhere to the party on the basis of the principle of unity, enhance internal communication, strengthen internal supervision, self Sleep maintenance team collective image and authority. (three) to ensure the execution is not strong or disguised to resist government decrees issues. Individual Bureau leadership team members lack of learning political theory system, not from the objective reality, not with the party's interests above all the principles to deal with personal problems. In the specific work safety supervision in the execution is not strong, in the implementation of the decision to deploy the discount, make choices, engage in work, the implementation of the agreement, uncomfortable is not performed, open or disguised to resist, the lack of subject consciousness of the party organization, the lack of resist in society all kinds of bad habits and unwholesome tendencies of courage Gas and courage. Such as the liability insurance of safe production work, individual leaders that have someone arrested, and no funding, not in the global chess perspective to the countryside to carry out daily inspection, found none of my business acceptance of the resumption of production in an armchair, with a pen, indifferent. Corrective measures: (LED Leadership: Luo Mingjun, rectification time: before September 25th, insist for a long time) 1, to strengthen the sense of responsibility, work to solve the lack of decent occupation explain away, conduct problems. To establish the overall concept, eliminate departmentalism. Strict assessment and accountability, to solve the spiritual slack, nianqingpazhong, status quo, To establish and perfect the muddle along and other issues. Bureau staff conduct work regulations, standardize the behavior of personnel. 2, strengthen the responsibility system. One is the in-depth study and implement the "Hunan provincial Party and government leading cadres Interim Provisions on the work safety of a pair of > (Hunan Office issued 2013 No.