沪教六年级上册的知识点详细梳理.docx

1、沪教六年级上册的知识点详细梳理上册上海数学知识点梳理 版本沪教版（6）年级上1、数的整除1.内容要目 数的整除性、因数和倍数、奇数和偶数、素数和合数、公因数和最大公因数、公倍数和最小公倍数、分解素因数；能被2和5整除的正整数的特征。2.教学目标（1）知道数的整除性、因数和倍数，奇数和偶数、素数和合数、公因数和公倍数等的意义；知道能被2、5整除的正整数的特征。（2）会用短除法分解素因数；会求两个正整数的最大公因数和最小公倍数。3.重点、难点及易错点重点：正确的分解素因数，并会求两个正整数的最大公因数和最小公倍数。难点：会求两个正整数的最小公倍数。易错点：1既不是素数也不是合数,概念易混淆。4.中

2、考必考题型及分数占比 结合概率考察素数合数等问题 一道填空题4分5.知识结构2、分数1.内容要目（1）分数的概念，分数的加减乘除运算法则，分数与小数的互划与运算；（2）异分母分数的运算，通分、约分的技巧。2.教学目标（1）知道分数的意义，学会分数的运算法则；（2）通过对分数的学习，提高运算能力和解决实际问题的能力，初步掌握转化的思维方法；（3）能够比较分数与小数的关系及混合运算。3.重点、难点及易错点重点：分数的乘除混合运算以及通分和约分；难点：通分与约分易错点：乘除法则的运算4.中考必考题型及分数占比分数的混合运算，一道选择题或者一道填空题，占4分5.知识结构3、比和比例1.内容要目（1）必

3、和比例的概念，比的基本性质，比和比例的有关性质；（2）百分比的概念及应用，百分比与小数、分数的关系。（3）等可能事件2.教学目标（1）理解比和比例的有关概念及意义，根据比例的概念和基本性质，会解决简单的比例问题；（2）了解百分比在生活中的简单应用，会解决有关比和百分比的简单问题，从中体会数学与现实生活的联系；（3）了解等可能事件，学习用数量来描述一个事件发生的可能性的大小，初步体会概率思想。3.重点、难点、易错点重点：比例内项、比例中项难点：百分比结合实际生活问题易错点：百分比的运用及比例中项4.中考题型及分数占比线段的比例关系，结合生活的实际应用问题，占4分，一题填空题5.知识结构4、圆和扇

4、形1.内容要目（1）圆的周长和面积、弧长和扇形的面积等有关概念和计算公式；（2）运用所学结合实际生活问题。2.教学目标（1）通过点的运动认识圆的特征，理解圆、圆弧、扇形等概念；（2）掌握、理解圆的周长和面积、弧长和扇形的面积等公式并进行验证；（3）结合实际生活中的问题，能够运用所学知识解决问题。3.重点、难点、易错点重点：圆心角所对的弧长，扇形的面积难点：扇形的面积求法，弧长的求法易错点：扇形结合生活实际解决问题4.中考题型及分数占比扇形的面积，一道填空题，4分5.知识结构赠送以下资料英语万能作文(模板型）Along with the advance of the society more a

5、nd more problems are brought to our attention, one of which is that.随着社会的不断发展，出现了越来越多的问题，其中之一便是_。As to whether it is a blessing or a curse, however, people take different attitudes.然而，对于此类问题，人们持不同的看法。(Hold different attitudes 持不同的看;Come up with different attitudes 有不同的看法)As society develops, people

6、are attaching much importance to.随着社会的发展，人们开始关注.People are attaching more and more importance to the interview during job hunting求职的过程中，人们慢慢意识到面试的重要性。As to whether it is worthwhile ., there is a long-running controversial debate. It is quite natural that people from different backgrounds may have di

7、vergent attitudes towards it.关于是否值得_的问题，一直以来争论不休。当然，不同的人对此可能持不同的观点。In the process of modern urban development, we often find ourselves in a dilemma.在都市的发展中，我们往往会陷入困境。Recently the phenomenon has aroused wide concern, some people are in alarm that.最近，这种现象引起了人们的广泛关注，有人开始担心_。The human race has entered a

8、 completely new stage in its history, with the increasingly rapid economic globalization and urbanization, more problems are brought to our attention.人类进入了一个历史的崭新的阶段，经济全球化、都市化的速度不断加快，随之给我们带来了很多问题。. plays such an important role that it undeniably becomes the biggest concern of the present world, ther

9、e comes a question, is it a blessing or a curse?_显得非常重要而成为当今世界所关注的最大的问题，这是无可厚非的。不过，问题是：我们该如何抉择?Now we are entering a new era, full of opportunities and challenges,现在我们正在进入一个充满机会和挑战的新时代。People from different backgrounds would put different interpretations on the same case.不同行业的人对同一种问题的解释不尽相同。The cont

10、roversial issue is often brought into public focus. People from different backgrounds hold different attitudes towards the issue.这中极具争议性的话题往往很受社会的关注。不同的人对此问题的看法也不尽相同。When asked ., some people think. while some prefer.说到_，有人认为_，而另一些人则认为_。Just as the saying goes: so many people, so many minds. It is q

11、uite understandable that views on this issue vary from person to person.俗话说，。不同的人对此有不同的看法是可以理解的。To this issue, different people come up with various attitudes.对于这个问题，不同的人持不同的观点。There is a good side and a bad side to everything, it goes without saying that.万事万物都有其两面性，所以，勿庸置疑，_。When it comes to ., mos

12、t people believe that ., but other people regard .as .提到_问题，很多人认为_，不过，一些人则认为_是_.When faced with., quite a few people claim that ., but other people think as.提到_问题，仅少数人认为_，但另一些人则认为_。There is a public controversy nowadays over the issue of . There who criticize .argue that ., they believe that .,but p

13、eople who favor ., on the other hand, argue that.目前，_问题争议较大。批判_的人认为_，他们认为_，不过，另一方面，赞同_的人则认为_。Some people are of the opinion that. 有些人认为_。Many people claim that. 很多人认为_。A majority of 绝大多数A large number of 很多人Some people contend that . has proved to bring many advantages (disadvantages)有些人认为_有很多有利之处(不

14、利之处)。Those who argue for . say that .economic development of the cities.觉得_的人认为，_ 城市的经济发展。Some people advocate that .有些人在坚持认为_。They hold that . 他们认为_。People, who advocate that ., have their sound reasons (grounds)坚持认为_的人也有其说法(依据)。Those who have already benefited from practicing it sing high praise of it. 那些从中受益的人对此大家褒奖。Those who strongly approve of . have cogent reasons for it.强烈认同_的人有很多原因。Many people would claim that. 有人会认为_。