小学四年级数学下册教学反思

小学四年级数学下册教学反思

第一单元四则运算

这一单元的目标是这样定的:1(使学生掌握含有两级运算的运算顺序，正确计算三步式题。2(让学生经历探索和交流解决实际问题的过程中，感受解决问题的一些策略和方法，学会用两三步计算的方法解决一些实际问题。3(使学生在解决实际问题的过程中，养成认真审题、独立思考等学习习惯。

从教参的教学目标定位来看，应该是既注重两级运算的运算顺序教学，又要重视解决问题的一些策略。然而结合我们学生的学习实际情况来看，两样都已初步的感受过，但又不是很深入，如:四则运算的计算顺序包括带括号的计算顺序都在平时的练习中曾经碰到过，但不是很多(但有的学生在家长的帮助下对于先乘除后加减的运算顺序了然于胸了)。所以是不是把四则混合运算顺序作为重点来教我真的曾不止一次的怀疑过。让我怀疑动摇的还有一个原因就是学生解决问题的能力太差，新课程一线教师都清楚现在学生解决问题能力的欠缺。所以，这一次四则运算知识的教学也正是加强学生解决问题能力训练的一次好机会，与我有这种相同想法的教师还真不少，认为还是有必要侧重解决问题的策略教学。

学生错误:

不列综合算式解决问题。

of vision. 3, build, fitting in with the urban master plan in Yibin city rapid rail transit long term network, as well as the vision of Yibin city, and future development of rail transit network. 4, Yibin city, preliminary rail traffic levels service levels, system model, and technical standards. 5, to ensure that network can be implemented. 6, stable conditions for planning and supporting of Yibin city track

traffic construction and formation of rail transit industry, provide conditions for the start-up and development of rail transit in Yibin city. 1.7 technical course technology is the project's research program and research ideas. Technology reflects the various stages in the process, logical relations between various levels, research, techniques and phases. Network planning process the whole process can be divided into four parts, namely, background research, network architecture research, planning and implementation of research and programming interfaces. Figure 1.7-1 Yibin city rail transit network planning technology roadmap planning interface is mainly responsible for network planning interface with follow-up planning tasks. Network planning Urban planning system in a transitional position, online network planning is completed, will be carried out as soon as possible the following planning projects: 1, detailed control of the land of rapid rail transit network planning; 2, the partitioning for network planning; 3, joint planning of rail transport and urban transport in other ways; Detailed technical courses see below. Figure 1.7-2 General technology route

figure 2nd chapter City status and development planning 2.1 city basic profile 2.1.1

四则运算的顺序有错误。

差生理解问题的能力有待提高。

差生简单的计算发生不必要的错误。

提高空间:

教学生明白综合算式应先算什么，再算什么，应更形象化～把抽象的、明理的东西搞得的尽可能的形象，从而更接近于小学生的实际。更容易接受。如简单的“画顺序线”，即可增强形象感。

第二单元《位置与方向》教学反思

这一单元要求学生建立比较形象具体的方位感，了解数学与生活的密切关系，体会到“学习活动是人类为了生存与发展所进行的必要活动”，从中认识数学学习的价值，增强对数学的情感体验。

内容与学生的知识基础和生活经验紧密相关，难点是要准确把握方向，要量出方向所偏离的角度，还要确定单位长度标出距离。为此，在教学过程中要给学生创设大量的活动情景，为学生提供探究的空间，让学生以小组的形式展开合作交流，从中观察、分析，然后独立思考完成从方位的角度认识事物。同时，还要及时抓住学生的求知欲和好奇心理，鼓励学生勇于发表自己的意见，大胆主动地与同伴进

of vision. 3, build, fitting in with the urban master plan in Yibin city rapid rail transit long term network, as well as the vision of Yibin city, and future development of rail transit network. 4, Yibin city, preliminary rail traffic levels service levels, system model, and technical standards. 5, to ensure that network can be implemented. 6, stable conditions for planning and supporting of Yibin city track

traffic construction and formation of rail transit industry, provide conditions for the start-up and development of rail transit in Yibin city. 1.7 technical course technology is the project's research program and research ideas. Technology reflects the various stages in the process, logical relations between various levels, research, techniques and phases. Network planning process the whole process can be divided