2019-2020年六年级下册第八章《长方体的再认识》word复习教案.doc

2019-2020年六年级下册第八章长方体的再认识word复习教案教学目标1、 认识长方体的顶点、棱、面等元素。2、 会画长方体的直观图。3、 熟练掌握长方体中的棱与棱的位置关系，棱与面的位置关系，面与面的位置关系。4、 知道一些简单的检验方法。5、 会求长方体的表面积和体积。教学重点长方体的概念、画法，长方体中棱、面之间的位置关系。教学难点对于本章知识点形成一个知识结构， 能够从问题中进行归纳总结。教学过程一、 长方体的元素1、长方体有_个面，_个顶点，_条棱。2、棱、面的三个特点：（1）长方体的每个面都是_（2）长方体的十二条棱可以分为_组，每组中的四条棱长度_（3）长方体的六个面可以分为_组，每组中的两个面的_相同。3、长方体的表面积公式(长为a，宽为b，高为c)：4、长方体的体积公式：问题（1）长方体的长、宽、高分别是5cm，4cm，3cm，这个长方体的棱长总和、表面积、体积分别是多少？（2）把长、宽、高分别是5cm、4cm、3cm的两个长方体拼成一个大长方体，表面积减少了多少？二、长方体直观图的画法斜二侧法练习1：补画下面的图形，使之成为长方体的直观图.三、 长方体中棱与棱的位置关系1、 平行、相交、异面2、 在长方体ABCD-EFGH中，有哪些棱与棱EF相交？平行？异面？3、归纳：长方体中任意一条棱有_条棱与它平行，_条棱与它相交，_条棱与它异面。四、 长方体中棱与面的位置关系1、 垂直、平行2、 在长方体ABCD-EFGH中，（1）指出与面ABCD垂直的棱。（2）指出与面ABCD平行的棱。（3）指出与棱FG垂直的面。（4）指出与棱FG平行的面。3、 归纳：长方体中任意一个面有_条棱与它垂直，_条棱与它平行。长方体中任意一条棱有_个面与它垂直，_个面与它平行。4、 检验方法五、 长方体中面与面的位置关系1、垂直、平行2、在长方体ABCD-EFGH中，（1）指出与面ABCD垂直的面。（2）指出与面ABCD平行的面。3、归纳：长方体中任意一个面有_个面与它垂直，_个面与它平行。4、检验方法六、 巩固提高在长方体ABCD-EFGH中，连接HF，BD（1）指出与面BDHF垂直的面。（2）指出与面BDHF平行的棱。七、能力训练小明准备用透明胶和硬纸板制作一个长方体纸盒，现在需要你的帮忙：(1)制作前，要画出长方体纸盒的直观图，小明只画了一部分（如图1），请你帮他画完整（不写画法）；(2)制作时，需要裁剪一块长方形的硬纸板，小明经过设计发现正好将这块硬纸板全部用完（如图2），请你求出长方体的长、宽和高；(3)制作完成后，小明想把这个盒子表面的其中5个面都涂满相同的颜色，而且要使涂色部分的面积最少，那么涂色部分的面积是多少呢？附送：2019-2020年六年级下册第六单元测试卷(含答案)一、判断下列各组画线部分读音是否相同，相同的打，不同的打X。（每题1分，共5分）( ) 1. The woman with long hair sits on the chair.( ) 2. Yang Ling and her friends are talking about her new house.( ) 3. They cannot find the visitors in the park.( ) 4. Little bears are learning how to climb trees.( ) 5. Can you give me more red apples? They smell good.2、 用所给词的适当形式填空。（每空1分，共10分）1. I _(want) _ (write) a letter to Peter.2. They will _ (go) to the library. 3. Many people_ (visit) it every year.4. You_ (see) the Great Wall in China next week.5. Reading is very _ (interest).6. How about _(go) jogging in the park after school today?7. The boy _(be) from Canada. His friend _(e) from the UK.8. The _(potato) are on the ground.三、根据句意与图片提示，选择正确的词填空。（每题1分，共4分）1. Bill will _ dinner for us. 2. Nancy is going to learn about_. 3. _is an interesting country. 4. My e-friend usually _ me e-mails. 四、选择合适的短语填空， 填序号。（每题1分，共6分）A. next week B. cook nice food C. fresh air D. find out E. E. on the Internet F. look for G . wait and see1. My mother will go to Hong Kong _.2. People will_ a lot of interesting things in the museum.3. My father is a cook, he can _.w W w .4. They want to _about Australia before class.5. You can read some interesting news_.6. My grandpa lives in the town. It always has _.五、 单项选择。（每题1分，共10分）( ) 1. The children_ learn about Chinese culture next week. A. will toB. willC. is going to( ) 2. _ did you know about the UK? I asked my e-friend. A. When B. WhatC. How( ) 3. A lot of _ e to China every year. A. visitorB. visitC. visitors( ) 4. There are so many _ in our school. Yes, they are cool. A. AustraliaB. AustralianC. Australians ( ) 5 Whats Liu Tao going to do? He_ a model ship. A. is makingB. makesC. is going to make( ) 6. Where do you usually chant_ Ben? We chant_ the Internet. A. to; onB. with; onC. with; in( ) 7. _ is the capital（首都）of Australia. A. SydneyB. CanberraC. Melbourne( ) 8. People _ Australian football games because they are_. A. loves; excitedlyB. love; excitingC.love; excited( ) 9. The weather is sometimes _in the UK A. rainB.rainsC. rainy( ) 10. Where can we _the Big Ben? In _. A. find; the UKB. find; the USC. look for; the UK六、根据要求完成句子，每空一词。（每空1分，共10分）1. We are going to buy some kites in the supermarket. (改为同义句) We _ buy some kites in the supermarket? 2. Hell go to the supermarket tomorrow. (对划线部分提问) _ he do tomorrow? 3. There are some interesting places in the UK. (改成一般疑问句) _ _ _ interesting places in the UK?4. I found some interesting books.（改成否定句） I _ _ any interesting books. 5. Ill read a book about the king. (用now改写) _ _ a book about the king now.七、完型填空。（每题1分，共10分）Mary is an American school girl. Now she _1_ in Beijing _2_ her parents. Mary doesnt know Chinese, _3_she likes learning Chinese. She often _4_Chinese to her Chinese friends. Usually they _5_understand her because she cant speak Chinese _6_. Its Sunday morning. She goes out. She _7_ in the street. She _8_ the zoo to see elephants and monkeys, but she doesnt know how to _9_. She asks a Chinese boy, the boy cant understand her. Then she takes out a pen and a piece of paper. She draws an elephant _10_ it, and shows the picture to the boy. The boy understands now, he shows Mary the way to the zoo.( ) 1. A. live B. lives C. lived ( ) 2. A. with B. for C. and ( ) 3. A. but B. or C. so ( ) 4. A. speaks B. tells C. says ( ) 5. A. arent B. dont C. doesnt ( ) 6. A. good B. well C. nice ( ) 7. A. walks B. is walking C. walked ( ) 8. A. is going to B. go C. going ( ) 9. A. get to there B. gets there C. get there ( ) 10. A. in B. on C. at 八、阅读理解。（每题1分，共10分）A根据短文内容，判断正（T）误（F）。 There is a special city in the world. It is the city of Venice. It is in Italy（意大利）. People do not drive cars in that city. There are no streets in Venice. But there are canals（运河，水道）. The canals look like streets. There is much water in those canals. In Venice people travel around the city in boats. Your father and mother go to work in a bus. In Venice, people go to work in boats.( ) 1. There are many cars in Venice.( ) 2. Venice is in Italy.( ) 3. There are some streets in Venice.( ) 4. There is much water in canals.( ) 5. Sometimes people in Venice go to work by bus.B读一读，根据短文选择正确答案。（每题1分，共5分）The USA is the fourth largest country in the world. Its smaller than Russia, Canada and China. Washington DC is its capital. But it is a quiet city. New York is the biggest city in America and its one of the biggest cities in the world. It is in the east of the USA and at the mouth of the Hudson River（哈德逊河）. A large part of the city is on Manhattan Island（曼哈顿岛）, a big island in the river. New York has a larger population（人口）than Washington DC. In New York we can see famous statue, the Statue of Liberty（自由女神像）.( ) 1. The USA is the _largest country in the world.A. second B. third C. fourth ( ) 2. New York has a _ population than Washington DC.A. larger B. smaller C. large( ) 3. Washington DC is _ than New York.A. larger B. more crowded C. quieter( ) 4. A large part of New York is on_.A. an island B. the sea C. the lake ( ) 5. New York is one of the_ cities in the world.A. quietest B. biggest C. oldest 九、写话。(5分) 周末又来到了，下面图片中有哪些事情是你打算在周日完成的，除了这些以外，这个周日你有没有特别的打算呢？请以 My Sunday Plan为题，写一篇小短文。要求：1、不少于5句话。 2、至少使用3种句型。 _ Ill_this sunday. First, Ill _Then, Ill_After that, _笔试部分一、 XXX二、 1. want; to write 2. go 3. visit 4. will see 5. interesting 6. going 7. is; es 8. potatoes三、1. cook 2. swimming 3.Australia 4. sends四、AFBDEC五、BCCCC BBBCA六、1. will 2. What, will 3. Are, there, any 4. I didnt, find 5. Im reading七、BAAAB BAACB八、FTFTF九、 CACAB 十、略