(完整word)新版苏教版二年级数学下册第六单元教案 下载本文

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指名学生口答。

3.完成“练习六”第19题。 根据条件,你能提出问题解答吗? 学生解答。

4.动脑筋想一想,完成教材第67页的“思考题”。 四、反思总结

这节课我们复习了哪些知识? 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第七课时 三位数加法的笔算(不连续进位加)

教学内容:教科书第68-69页例4“试一试”和“想想做做”第1-4题。 教学目标:

1.使学生经历探索三位数进位加笔算方法的过程,理解和掌握三位数加法的笔算方法,能正确地笔算三位数的加法;学会用交换加数再算一遍的方法验算加法,体会交换加数相加得数相等的事实和规律。

2.使学生通过探索和笔算,提高笔算能力;通过联系已有的笔算知识学习三位数加法的笔算,体验新旧知识间的联系,积累数学学习的经验;在归纳、概况加法笔算方法的过程中,发展综合、概况等初步的思考能力。

3.使学生能主动思考、独立计算,在探索算法的过程中获得成功的感受,提升学习数学的自信心;培养认真计算和检验结果的良好学习习惯。

教学重点:

探索三位数加两、三位数的进位加法的笔算方法。 教学难点:

十位向百位进位的方法。 教具准备: 课件 教学过程: 一、先学探究 1.口算。

4+6 50+90 60+90 8+3 70+80 3+7

问:这几题都是什么加法?每题的和最高位都是几?为什么都是1? 2.算。

37+25 64+8

问:这两题在笔算时分别是怎样加的?

导入新课:笔算百以内进位加法时,要先把相同的数位对齐,从个位加起,个位满十要向十位进一,这节课我们将利用这些知识,学习三位数加两、三位数。

板书课题:三位数加两、三位数(进位) 二、交流共享 1.教学例4.

出示例题,学生读题,要求“一共制作了多少幅?”你会列式吗? 学生回答后教师板书:142+86=?(幅)

提问:你会用竖式算出142加86的和吗?大家来试一试吧。

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让学生尝试计算,教师巡视指导。

交流计算方法(让学生重点说说十位上4加8得12应如何继续计算),得出计算结果写在横式上。

谈话:要想知道我们算得对不对,可以怎么办?(学生验算。) 2.教学“试一试”。

请大家用竖式计算三位数加三位数643+752=?

放手让学生自己独立探索计算方法,交流计算方法,讨论6加7得13怎么继续算。

再让学生交换加数位置,用竖式验算。 3.总结计算方法。

谈话:这节课我们学习了三位数加两、三位数的加法,能不能总结一下笔算进位加法时,要注意什么?

学生互相讨论,然后指名说一说,逐步形成如下认识:(1)相同数位对齐,从个位加起;(2)某一位上的数相加满10,就向前一位进1.

三、反馈检测

1.完成“想想做做”第1题。

让学生在教材上独立完成,集体订正。注意最后一题“百位满10向千位进1”。

2.完成“想想做做”第2题。

同桌分别做每组上下两题,观察两个加数,发现上下两题交换位置,两人相互检验。

3.完成“想想做做”第3题。

采用小组竞赛的形式进行,激发学生练习兴趣。不要求做得快,只强调全做对,并认真验算。

4.完成“想想做做”第4题。

让学生说出图意,自己解决问题,正确计算出来。 四、反思总结

提问:这节课我们学习了什么内容?有什么收获和体会?

归纳:本节课我们主要探索了三位数加两、三位数的进位加法的计算方法,通过计算练习巩固了知识。用竖式计算加法应注意数位对齐。

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第八课时 三位数加三位数连续进位加法

教学内容:教科书第70-71页例5、“试一试”和“想想做做”第1-5题。 教学目标:

1.使学生能联系整百数的口算,初步学会用于加数接近的整百数估计三位数加法的得数;通过应用加法笔算法则进行计算,探索三位数加法连续进位的方法,加深认识加法笔算法则,能正确笔算连续进位的三位数加法。

2.使学生通过估计和笔算,培养学生应用已有知识探究解决新问题的能力,提高运算能力;进一步感受数学知识的内在联系和发展,积累数学学习的初步经验。

3.使学生感受探索数学知识、方法的成功,激发学生数学的兴趣,提高学习数学的自信心;培养认真计算、验算和及时改正错误的良好习惯。

教学重点:

掌握三位数加三位数连续进位加法的计算方法。 教学难点: 估算意识的培养。 教具准备: 课件 教学过程: 一、先学探究 1.竖式计算。

2.54+942= 87+261= 指名板演,集体订正。

提问:第1小题为什么千位上是1?第二小题百位上应该是几?为什么? 大家对上节课的知识掌握得不错,今天我们还将接着学习进位加法,与上节课不同的是这节课我们要学的是三位数加三位数连续进位加法。(板书课题)

二、交流共享 1.教学例5.

学生读题,思考:怎样求两个年级一共捐了多少本?(一年级捐的本数加上二年级捐的本数)

提问:你能列式吗?教师板书:298+405=?

你能先估算一下一共几百本吗?说一说是怎样估算的。(只要合理就可以,把它们看成整百数估计。)

你能用竖式准确地计算吗? 指名板演,教师巡视指导。

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