the principle of simplified EIA of construction projects in the region. In terms of land, linked to the implementation of urban and rural construction land increase and decrease, replacement indicators for priority areas project. Charges, into the projects of water, electricity, administrative charges and preferential policies. In the area of taxation, and settled in areas of industry and its production company, within 5 years after the completion of fiscal incentives to enterprises. In terms of financing, integration of land, tax, financial and other resources, and construct \nment credit + business credit\dit system, establishment of marketization, commercialization and modernization of the investment and financing platform; effective Bank-enterprise docking, encourages private capital into the Park, to raise industry development fund. 5, optimize the environment and service industries. To create \owlands, Highlands, integrity of service land, development land\l, to optimizethe area under development environment. All administrative law enforcement departments to appoint a full-time personnel stationed in areas dedicated to coordinating and solving problems associated with businesses in this sector. When there are substantial issues, sector leaders arranged to personally intervene, in-person, in-person push tangible area building a green light, easy line. To further reduce and standardize administrative examination and approval items, simplify examination and approval links, improve efficiency; according to the ...Since the educational practice of the mass line of the party, himself seriously in the education, practical control central \eight rules\nd opposing \nds\practicing %uns\nd check the spirit of Jiao Yulu, ideology, solicit opinions based on outstanding problems checked swing, careful analysis and reflection. Will now check report is as follows: first, adherence to the party's political discipline, eight in the central provision, change the style of the basic situation of 1, in compliance with the party's political disciplines. Conscientiously abide by the party's political discipline, abide by the Constitution and the rules and regulations of the party, in the political, ideological and maintain highly consistent with the CPC Central Committee on the action, there is no violation of the party's political discipline problems. 2, in the implementation of the central authorities of the eight provisions. Improving research, improving research methods, but there are less grass-roots units, primary first-hand an inadequate grasp of the problem, which is to be strengthened in the future. Second, construction, strictly in accordance with the provisions to streamline and improve the quality of meetings of the Conference. Third, streamlining file briefs, culture involves all aspects of propaganda and ideology, sometimes due to the practical needs of invention notifications, this area needs further三、综合练习
1.完成“练习六”第5题。 指名学生读题，理解题意。
提问：“下车15人”“上车11人”什么意思？ 学生独立完成。 教师巡视指导。
2.完成“练习六”第6题。 指名学生读题，理解题意。 学生独立完成，集体订正。 四、反思总结
这节课我们一起练习了两位数加两位数、两位数减两位数的口算，用这一知识解决了生活中的实际问题。你有什么收获？
五、课堂作业 《补》
streamlining. Four are standard visits, except as required to participate in training, no other activity. Five is to improve news reporting, for propaganda work strictly according to the regulations. Six is strictly your presentation published strictly according to the regulations. Seven is strictly thrift, required the use of vehicles and office space and corporate hospitality. 3, change the style. Propaganda and ideological work of the new situation and new requirements of the new tasks, had done a lot of fruitful work, has made many achievements, but further closer to the grass roots, close to reality, close to the masses and also inadequate innovation must continue to improve. Second, the \s 1, oppose formalism. One theory is that he didn't, with less close contact. Theoretical study of consciousness is not high enough, system performance is not strong enough; more passive learning, active learning few generalities and learn more, delving into less. Especially based on rational thinking on major issues, applying theory to guide the work done is not good enough, not really understand and grasp the spirit and essence of the scientific Outlook on development, did not truly achieve mastery, to apply, to a certain extent, affect the development and implementation of ideas and initiatives. Second, work arrangements, and less supervision. Propaganda and ideological work is the objective, which needs to keep the continuity efforts deployed, but stressed in the work time, less supervision. For example, color weekends in the summer theatrical activities, city square performances, urging townships, communities and rural areas shows the implementation is inadequate, insufficient cultural an educational role to play. Third base enough, master grass-less real. Propaganda and ideological work in the new situation of characteristics and regularity of enough, deep enough for grass-roots public opinion Dynamics survey, for grass-roots typically driveless. For example, rural culture team active, ... I'm not actively take the initiative to take up, the lack of spirit of daring to, resulting in some job had a lot of power, but no tangible results. Third, innovation, lack of motivation. Emancipation did not end, innovation does not exist. In practical work, not your head, previous work experience, lack of innovation initiatives, study on the characteristics of propaganda and ideological work under the new situation through, grip on grassroots ideological trends and changes are not deep, to promote new initiatives and explore new methods of ideological and cultural work is not much, and some lack of relevance and timeliness. 4, discipline, lowering, and hard work are lacking. While working and enterprising spirit down. No real solution to treat yourself right, correctly treat past honors, their complacency, and work to see their scores more, less checking his own shortcomings, like to listen to the praise, satisfied face, online promotion, there artypical, and lack of high standards and strict requirements, the effect is real. Second hard drive less. On hard andthe principle of simplified EIA of construction projects in the region. In terms of land, linked to the implementation of urban and rural construction land increase and decrease, replacement indicators for priority areas project. Charges, into the projects of water, electricity, administrative charges and preferential policies. In the area of taxation, and settled in areas of industry and its production company, within 5 years after the completion of fiscal incentives to enterprises. In terms of financing, integration of land, tax, financial and other resources, and construct \ernment credit + business credit\dit system, establishment of marketization, commercialization and modernization of the investment and financing platform; effective Bank-enterprise docking, encourages private capital into the Park, to raise industry development fund. 5, optimize the environment and service industries. To create \owlands, Highlands, integrity of service land, development land\l, to optimizethe area under development environment. All administrative law enforcement departments to appoint a full-time personnel stationed in areas dedicated to coordinating and solving problems associated with businesses in this sector. When there are substantial issues, sector leaders arranged to personally intervene, in-person, in-person push tangible area building a green light, easy line. To further reduce and standardize administrative examination and approval items, simplify examination and approval links, improve efficiency; according to the ...Since the educational practice of the mass line of the party, himself seriously in the education, practical control central \eight rules\nd opposing \nds\practicing %uns\nd check the spirit of Jiao Yulu, ideology, solicit opinions based on outstanding problems checkd swing, careful analysis and reflection. Will now check report is as follows: first, adherence to the party's political discipline, eight in the central provision, change the style of the basic situation of 1, in compliance with the party's political disciplines. Conscientiously abide by the party's political discipline, abide by the Constitution and the rules and regulations of the party, in the political, ideological and maintain highly consistent with the CPC Central Committee on the action, there is no violation of the party's political discipline problems. 2, in the implementation of the central authorities of the eightprovisions. Improving research, improving research methods, but there are less grass-roots units, primary first-hand an inadequate grasp of the problem, which is to be strengthened in the future. Second, construction, strictly in accordance with the provisions to streamline and improve the quality of meetings of the Conference. Third, streamlining file briefs, culture involves all aspects of propaganda and ideology, sometimes due to the practical needs of invention notifications, this area needs further第五课时 练习六2
教学内容：教科书第66-67页练习六第7-13题。 教学目标：
1．使学生联系已有知识和经验，学会和大于100（1000）的整百数的加法和相应的减法的口算方法，并能说明算法，数量的口算得数，提高口算能力；能应用知识解决相关的简单实际问题，进一步了解相关问题的数量关系，提供分析、解决问题的能力。
2．使学生进一步理解数学知识间的联系，积累旧知识学习新内容的经验；感受数学在解决问题中的应用，培养初步的应用意识。
教学重点：
和大于100（1000）的整百数的加法和相应的减法口算。 教具准备：课件 教学过程： 一、知识再现
上节课我们一起学习了什么？这节课老师想知道大家计算的熟练程度，你准备好了吗？
出示课题：练习六 完成“练习六”第7题。
引导学生先口算每组题的地1小题，再算第2、3小题。 口算结束后交流算法。
让学生说说通过口算发现了什么？ 二、基本练习
1．完成“练习六”第8题。 对比练习，学生独立完成。 集体订正，你发现了什么？
（一个加数不变，另一个加数变大，和怎样变化的。减数不变，被减数变大，差又是怎样变化的。）
2．完成“练习六”第9题。
出示题目，让学生口答，部分题目让学生说说是怎样想的。 3．完成“练习六”第10题。
学生读题，题目中告诉我们哪些信息？要求什么？ 学生口答。 三、综合练习
1．完成“练习六”第11题。
streamlining. Four are standard visits, except as required to participate in training, no other activity. Five is to improve news reporting, for propaganda work strictly according to the regulations. Six is strictly your presentation published strictly according to the regulations. Seven is strictly thrift, required the use of vehicles and office space and corporate hospitality. 3, change the style. Propaganda and ideological work of the new situation and new requirements of the new tasks, had done a lot of fruitful work, has made many achievements, but further closer to the grass roots, close to reality, close to the masses and also inadequate innovation must continue to improve. Second, the \s 1, oppose formalism. One theory is that he didn't, with less close contact. Theoretical study of consciousness is not high enough, system performance s not strong enough; more passive learning, active learning few generalities and learn more, delving into less. Especially based on rational thinking on major issues, applying theory to guide the work done is not good enough, not really understand and grasp the spirit and essence of the scientific Outlook on development, did not truly achieve mastery, to apply, to a certain extent, affect the development and implementation of ideas and initiatives. Second, work arrangements, and less supervision. Propaganda and ideological work is the objective, which needs to keep the continuity efforts deployed, but stressed in the work time, less supervision. For example, color weekends in the summer theatrical activities, city square performances, urging townships, communities and rural areas shows the implementation is inadequate, insufficient cultural an educational role to play. Third base enough, master grass-less real. Propaganda and ideological work in the new situation of characteristics and regularity of enough, deep enough for grass-roots public opinion Dynamics survey, for grass-roots typically driveless. For example, rural culture team active, ... I'm not actively take the initiative to take up, the lack of spirit of daring to, resulting in some job had a lot of power, but no tangible results. Third, innovation, lack of motivation. Emancipation did not end, innovation does not exist. In practical work, not your head, previous work experience, lack of innovation initiatives, study on the characteristics of propaganda and ideological work under the new situation through, grip on grassroots ideological trends and changes are not deep, to promote new initiatives and explore new methods of ideological and cultural work is not much, and some lack of relevance and timeliness. 4, discipline, lowering, and hard work are lacking. While working and enterprising spirit down. No real solution to treat yourself right, correctly treat past honors, their complacency, and work to see their scores more, less checking his own shortcomings, like to listen to the praise, satisfied face, online promotion, there artypical, and lack of high standards and strict requirements, the effect is real. Second hard drive less. On hard andthe principle of simplified EIA of construction projects in the region. In terms of land, linked to the implementation of urban and rural construction land increase and decrease, replacement indicators for priority areas project. Charges, into the projects of water, electricity, administrative charges and preferential policies. In the area of taxation, and settled in areas of industry and its production company, within 5 years after the completion of fiscal incentives to enterprises. In terms of financing, integration of land, tax, financial and other resources, and construct \nment credit + business credit\dit system, establishment of marketization, commercialization and modernization of the investment and financing platform; effective Bank-enterprise docking, encourages private capital into the Park, to raise industry development fund. 5, optimize the environment and service industries. To create \owlands, Highlands, integrity of service land, development land\l, to optimizethe area under development environment. All administrative law enforcement departments to appoint a full-time personnel stationed in areas dedicated to coordinating and solving problems associated with businesses in this sector. When there are substantial issues, sector leaders arranged to personally intervene, in-person, in-person push tangible area building a green light, easy line. To further reduce and standardize administrative examination and approval items, simplify examination and approval links, improve efficiency; according to the ...Since the educational practice of the mass line of the party, himself seriously in the education, practical control central \eight rules\nd opposing \nds\practicing %uns\nd check the spirit of Jiao Yulu, ideology, solicit opinions based on outstanding problems checked swing, careful analysis and reflection. Will now check report is as follows: first, adherence to the party's political discipline, eight in the central provision, change the style of the basic situation of 1, in compliance with the party's political disciplines. Conscientiously abide by the party's political discipline, abide by the Constitution and the rules and regulations of the party, in the political, ideological and maintain highly consistent with the CPC Central Committee on the action, there is no violation of the party's political discipline problems. 2, in the implementation of the central authorities of the eight provisions. Improving research, improving research methods, but there are less grass-roots units, primary first-hand an inadequate grasp of the problem, which is to be strengthened in the future. Second, construction, strictly in accordance with the provisions to streamline and improve the quality of meetings of the Conference. Third, streamlining file briefs, culture involves all aspects of propaganda and ideology, sometimes due to the practical needs of invention notifications, this area needs further说说原有、卖出、还剩的之间的关系。 学生各自填表。 集体订正。
2．完成“练习六”第12题。
理解题意后学生独立列式计算，订正时说说解题过程。 3．完成“练习六”第13题。 指名说说线段图所表示的意思。 独立解答。 交流并订正。
说说先求什么再求什么。 四、反思总结
今天我们练习了整十数、整百数加减的口算并解决实际问题。
streamlining. Four are standard visits, except as required to participate in training, no other activity. Five is to improve news reporting, for propaganda work strictly according to the regulations. Six is strictly your presentation published strictly according to the regulations. Seven is strictly thrift, required the use of vehicles and office space and corporate hospitality. 3, change the style. Propaganda and ideological work of the new situation and new requirements of the new tasks, had done a lot of fruitful work, has made many achievements, but further closer to the grass roots, close to reality, close to the masses and also inadequate innovation must continue to improve. Second, the \s 1, oppose formalism. One theory is that he didn't, with less close contact. Theoretical study of consciousness is not high enough, system performance is not strong enough; more passive learning, active learning few generalities and learn more, delving into less. Especially based on rational thinking on major issues, applying theory to guide the work done is not good enough, not really understand and grasp the spirit and essence of the scientific Outlook on development, did not truly achieve mastery, to apply, to a certain extent, affect the development and implementation of ideas and initiatives. Second, work arrangements, and less supervision. Propaganda and ideological work is the objective, which needs to keep the continuity efforts deployed, but stressed in the work time, less supervision. For example, color weekends in the summer theatrical activities, city square performances, urging townships, communities and rural areas shows the implementation is inadequate, insufficient cultural an educational role to play. Third base enough, master grass-less real. Propaganda and ideological work in the new situation of characteristics and regularity of enough, deep enough for grass-roots public opinion Dynamics survey, for grass-roots typically driveless. For example, rural culture team active, ... I'm not actively take the initiative to take up, the lack of spirit of daring to, resulting in some job had a lot of power, but no tangible results. Third, innovation, lack of motivation. Emancipation did not end, innovation does not exist. In practical work, not your head, previous work experience, lack of innovation initiatives, study on the characteristics of propaganda and ideological work under the new situation through, grip on grassroots ideological trends and changes are not deep, to promote new initiatives and explore new methods of ideological and cultural work is not much, and some lack of relevance and timeliness. 4, discipline, lowering, and hard work are lacking. While working and enterprising spirit down. No real solution to treat yourself right, correctly treat past honors, their complacency, and work to see their scores more, less checking his own shortcomings, like to listen to the praise, satisfied face, online promotion, there artypical, and lack of high standards and strict requirements, the effect is real. Second hard drive less. On hard andthe principle of simplified EIA of construction projects in the region. In terms of land, linked to the implementation of urban and rural construction land increase and decrease, replacement indicators for priority areas project. Charges, into the projects of water, electricity, administrative charges and preferential policies. In the area of taxation, and settled in areas of industry and its production company, within 5 years after the completion of fiscal incentives to enterprises. In terms of financing, integration of land, tax, financial and other resources, and construct \ernment credit + business credit\dit system, establishment of marketization, commercialization and modernization of the investment and financing platform; effective Bank-enterprise docking, encourages private capital into the Park, to raise industry development fund. 5, optimize the environment and service industries. To create \owlands, Highlands, integrity of service land, development land\l, to optimizethe area under development environment. All administrative law enforcement departments to appoint a full-time personnel stationed in areas dedicated to coordinating and solving problems associated with businesses in this sector. When there are substantial issues, sector leaders arranged to personally intervene, in-person, in-person push tangible area building a green light, easy line. To further reduce and standardize administrative examination and approval items, simplify examination and approval links, improve efficiency; according to the ...Since the educational practice of the mass line of the party, himself seriously in the education, practical control central \eight rules\nd opposing \nds\practicing %uns\nd check the spirit of Jiao Yulu, ideology, solicit opinions based on outstanding problems checkd swing, careful analysis and reflection. Will now check report is as follows: first, adherence to the party's political discipline, eight in the central provision, change the style of the basic situation of 1, in compliance with the party's political disciplines. Conscientiously abide by the party's political discipline, abide by the Constitution and the rules and regulations of the party, in the political, ideological and maintain highly consistent with the CPC Central Committee on the action, there is no violation of the party's political discipline problems. 2, in the implementation of the central authorities of the eightprovisions. Improving research, improving research methods, but there are less grass-roots units, primary first-hand an inadequate grasp of the problem, which is to be strengthened in the future. Second, construction, strictly in accordance with the provisions to streamline and improve the quality of meetings of the Conference. Third, streamlining file briefs, culture involves all aspects of propaganda and ideology, sometimes due to the practical needs of invention notifications, this area needs further第六课时 练习六3
教学内容：教科书第67页练习六第14-19题，思考题。 教学目标：
1．进一步掌握两位数加两位数、两位数减两位数的口算方法。
2．使学生能说明口算方法，能说明解决加、减法实际问题的思考过程，感受实际问题里的数量关系，发展分析、推理等初步的思维能力，培养应用意识。
3．使学生能感受数学在实际中的应用，体会数学的作用；发展认真计算和严谨思考的学习习惯，以及按规则办事的科学态度。
教学重点：
两位数加两位数、两位数减两位数和解决实际问题。 教学难点：
口算两位数加两位数的进位加、两位数减两位数的退位减。 教具准备： 课件 教学过程： 一、知识再现
1．提问：我们前面学习了哪些知识，你能自己举例吗？ 2．这节课我们一起练习这些知识。 板书：练习六 二、基本练习
1．完成“练习六”第14题。
学生独立口算，校正时指名说说自己是怎样算的，并说说同一组三道题有什么不同和相同的地方。
2．完成“练习六”第15题。
学生根据加法、减法的关系填表，做完后交流。 3．完成“练习六”第16题。
学生完成在教材上，看谁做得又对又快。 教师评价时，表扬做得对、做得快的同学。 三、综合练习
1．完成“练习六”第17题。
学生读题，理解题目的意思，独立完成。 集体订正，说说你是怎样想的。 2．完成“练习六”第18题。
看线段图，我们可以先求什么，再求什么。
streamlining. Four are standard visits, except as required to participate in training, no other activity. Five is to improve news reporting, for propaganda work strictly according to the regulations. Six is strictly your presentation published strictly according to the regulations. Seven is strictly thrift, required the use of vehicles and office space and corporate hospitality. 3, change the style. Propaganda and ideological work of the new situation and new requirements of the new tasks, had done a lot of fruitful work, has made many achievements, but further closer to the grass roots, close to reality, close to the masses and also inadequate innovation must continue to improve. Second, the \s 1, oppose formalism. One theory is that he didn't, with less close contact. Theoretical study of consciousness is not high enough, system performance s not strong enough; more passive learning, active learning few generalities and learn more, delving into less. Especially based on rational thinking on major issues, applying theory to guide the work done is not good enough, not really understand and grasp the spirit and essence of the scientific Outlook on development, did not truly achieve mastery, to apply, to a certain extent, affect the development and implementation of ideas and initiatives. Second, work arrangements, and less supervision. Propaganda and ideological work is the objective, which needs to keep the continuity efforts deployed, but stressed in the work time, less supervision. For example, color weekends in the summer theatrical activities, city square performances, urging townships, communities and rural areas shows the implementation is inadequate, insufficient cultural an educational role to play. Third base enough, master grass-less real. Propaganda and ideological work in the new situation of characteristics and regularity of enough, deep enough for grass-roots public opinion Dynamics survey, for grass-roots typically driveless. For example, rural culture team active, ... I'm not actively take the initiative to take up, the lack of spirit of daring to, resulting in some job had a lot of power, but no tangible results. Third, innovation, lack of motivation. Emancipation did not end, innovation does not exist. In practical work, not your head, previous work experience, lack of innovation initiatives, study on the characteristics of propaganda and ideological work under the new situation through, grip on grassroots ideological trends and changes are not deep, to promote new initiatives and explore new methods of ideological and cultural work is not much, and some lack of relevance and timeliness. 4, discipline, lowering, and hard work are lacking. While working and enterprising spirit down. No real solution to treat yourself right, correctly treat past honors, their complacency, and work to see their scores more, less checking his own shortcomings, like to listen to the praise, satisfied face, online promotion, there artypical, and lack of high standards and strict requirements, the effect is real. Second hard drive less. On hard and