六年级综合提高练习5
人教版六年级上册数学 圆 综合提高练习
人教版六年级上册数学圆综合提高练习一:圆周长相关计算应用题专项训练1. 琪琪用绳子量得学校正厅的圆柱的周长是2.512米,这个圆柱的直径是多少?2. 火车轮的外直径长0.9米,如果它分钟转400周,那么这列火车每小时前进多少千米?3.一台压路机的前轮直径是1.7m,如果前轮每分钟转动6周,压路机20分钟前进多远?4. 一根铁丝长18.84米,正好在一个圆形铁圈上绕满50圈,这个线圈的半径是多少厘米?5. 一辆自行车的车轮半径是30厘米,车轮每分钟转100圈,要通过3768米的隧道,大约需要几分钟?二:圆面积计算应用题专项训练1. 一棵树干的周长是125.6cm,这棵树的横截面积是多少?2.一个挂钟,时针长40厘米,经过一昼夜,时针扫过的面积是多少平方厘米?3. 用10米的绳子把一个大木桩绕了一圈,正好还余0.58米,这个打木桩的横截面积是多少平方米?4.一个正方形面积是16平方厘米,在这个正方形中所作的最大的圆的面积是多少平方厘米?5. 一种铝制面盆是用直径30厘米的圆形铝板冲压而成的,要做1000个这样的面盆至少需要多少平方米的铝板?三:圆环面积计算应用题专项训练1. 在一个圆形喷水池的周长是62.8米,绕着这个水池修一条宽2米的水泥路。
求路面的面积。
2. 一个环形铁片,内圆直径是14厘米,外圆直径是18厘米,这个环形铁片的面积是多少?3. 一个圆形花坛,直径为6米,沿花坛的周围修一条1米宽的小路。
这条小路的面积是多少平方米?4. 一只环形玉佩的外圆半径为2厘米,比内圆半径多1.5厘米,这只环形玉佩的面积是多少平方厘米?5.有一个圆形养鱼池,周长是31.4m.现在老板要扩大鱼池,将它的直径增加3m,这个鱼池的面积将增加多少平方米?。
六年级提高数学练习题
六年级提高数学练习题在六年级学习数学时,做一些提高题是很有必要的,因为这些题目能够巩固已学知识,拓展思维能力,培养解决问题的能力。
本文将为大家提供一些六年级提高数学练习题,希望能够帮助大家更好地提高数学水平。
一、整数加减乘除运算题1. 小明在数学课上学习了整数的加减乘除运算,他计算以下算式,请你判断小明的计算是否正确,并给出正确答案:a) 9 - 3 + 4 =b) 7 × 8 ÷ 2 =c) 5 ÷ 2 × 4 =2. 想一想:怎样计算两个整数的乘积和商呢?请你用自己的话简要解释。
二、数的倍数和因数题1. 填空题:写出下列数的最小正因数和最大正因数。
a) 12: 最小正因数___,最大正因数___。
b) 15: 最小正因数___,最大正因数___。
c) 28: 最小正因数___,最大正因数___。
2. 现有一组数字:18,24,36,72,请你找出其中的公倍数和公因数。
三、图形的面积和周长题1. 计算下列图形的面积和周长:a) 正方形,边长为6cm。
b) 长方形,长为5cm,宽为4cm。
c) 圆的直径为10cm。
2. 拓展思考:如果正方形的面积为36cm²,它的边长是多少?四、分数的加减乘除运算题1. 计算下列分数的和:a) 2/3 + 1/4 =b) 5/6 + 1/3 =c) 3/5 + 2/10 =2. 计算下列分数的差:a) 7/12 - 1/3 =b) 4/5 - 1/10 =c) 5/8 - 3/4 =五、几何图形的旋转和镜像题1. 图形A经过顺时针旋转90°得到图形B,你能描述图形A和图形B之间的关系吗?2. 图形C经过镜面对称得到图形D,你能画出图形C和图形D吗?六、应用题1. 有一条绳子长9米,小明用它将一块正方形地板分割为4个相等的正方形区域,每个区域的边长是多少?2. 一辆车每小时行驶60公里,小明想用三小时从家里到学校,他离学校有多远?以上是一些六年级提高数学练习题,希望能够帮助大家巩固知识、提高能力。
PEP人教版 六年级英语 上册第一学期秋 同步课堂巩固提高练习题作业 Unit 5同步试题(含听力材料及答案)
I. Listen and choose the words. 听录音,选单词。
()1. A. postman B. post office C .police officer ()2. A. pilot B. boat C. coach()3. A. writer B. driver C. cleaner()4. A. scientist B. university C. fisherman()5. A. word B. worker C. worksII. Listen and choose the sentences. 听问句选择答句。
()1. A. No, he isn’t B. No, he is C. He’s a fisherman ()2. A. She is a scientist.B. He’s a businessman. C. Yes, she is. ()3. A. He works on a boat. B. He is a pilot. C. She works at sea. ()4. A. He is a coach. B. He works in a gym.C. He goes to work by plane.()5. A. She wants to be a coach. B. She works at sea.C. He wants to work at sea.III. Listen and choose. 听短文,完成下面的题目。
()1. Tony is a _______.A. postmanB. businessmanC. fisherman ()2. What is Tony like?A. tall and strongB. short and strongC. short and thin ()3. —Where does Doctor Chen work? —He works in _______.A. a post officeB. Shandong universityC. a police station ()4. —Is Sunny a businesswoman? —_____________.A. Yes, she is.B. No, she isn’t.C. Yes, she does. IV. Choose. 单项选择。
部编版六年级语文下册第五单元综合练习题(附答案)
部编版六年级语文下册第五单元综合练习题(附答案)一、根据拼音写字词。
1.看拼音,写词语。
huā pǔ( )是孩子们的乐园。
一到星期天,孩子们在这里挖qiū yǐn (), sōu xún( )各种虫子。
有时捉到蟋蟀,会把它放到了一个 jiān yìng( )的 bō li()瓶子里。
它会传出 qīng cu ì( )的声音。
声音虽然 dān diào( ),但孩子们丝毫不觉得 wúliáo(),对“会叫”的瓶子爱不释手。
2.我不喜欢接受别人的yuán zhù(),只希望能够独立在自己擅长的lǐng yù()里深入探究。
二、选择填空。
1.给下面加点字选择正确的读音。
(1)华罗庚.(A.huá B. huà)(2)锲.(A.qì B.qiè)而不舍(3)盆钵.(A.bēn B.bō)(4)蜇.(A.zhē B.zhě)人(5)盘盂.(A.yú B.yǔ)(6)盐碱.(A.jiǎn B.xián)(7)鄙夷.(A.yí B.yī)(8)凸.(A.tū B.āo)出2.下列句子的朗读节奏划分错误的一项是()。
A.使弈秋/诲二人弈 B.思援/弓缴/而射之C.为是/其智/弗若与 D.日初出/大如车盖,及日中/则如盘盂3.关于辩论,下列说法错误的一项是()A.在收集辩论材料时,只要尽可能多的搜集能证明自己观点的材料即可,反驳对方观点的材料无须搜集。
B.选择的事例要有说服力,可以引用名人名言。
C.根据观点对材料进行梳理、归纳。
如果材料很多,可以把要点记在卡片上。
D.对方陈述时,要注意倾听,抓住对方的漏洞。
4.下列加点字的意思不相同的一项是()A.及其日中如探汤.赴汤.蹈火B.虽与之俱.学声泪俱.下C.孔子不能决.也犹豫不决.D.非然.也不以为然.5.下列句子中加点词语运用不恰当的一项是( )A.我们只有锲而不舍....地寻找战胜困难的方法,才能获得成功。
部编版六年级下册第五单元综合练习题
部编版六年级下册第五单元综合练习题一、单选题(共14题;共28分)1.(2分)下列加点字的读音完全正确的一项是()A.学弈.(yì) 鸿鹄.(gāo) 丑恶.(è)B.汝.辈(rǔ) 埋.怨(mán) 弓缴.(jiǎo)C.屏.幕(píng) 弗.若(fó) 测量.(liáng)D.蝎.子(xiē) 花蕊.(ruǐ) 蝈.蝈儿(guō)2.(2分)下面加点字意思不同的一项是()。
A.通国之善.弈者也多谋善.断B.及其日中如探汤.赴汤.蹈火C.思援.弓缴而射之孤立无援.D.为是其智弗.若与自愧弗.如下列各组词语中都有一个加点字的读音是错误的,把它选出来。
(填字母)3.(2分)A.花蕊.(ruǐ)B.援.助(yuán)C.俱.乐部(jù)D.弓缴.(jiǎo)4.(2分)A.蜇.人(zhē)B.盘盂.(yú)C.钵.子(běn)D.恐怖.(bù)5.(2分)A.纬.度(wéi)B.鄙夷.(yí)C.出版.(bǎn)D.凶恶.(è)6.(2分)下面读音和字形完全正确的一组是()。
A.甚.至(shèn)仍然(rēng)皱皱巴巴B.憎.恶(zēng)装置.(zhì)一字一顿C.聪.明(cōng)年龄.(lín)全神贯注D.附.近(fú)屏.幕(píng)鄙夷不屑7.(2分)司空见惯.()A.习以为常。
B.纵容养成不良习惯或作风8.(2分)无独有偶.()A.偶像B.偶然,不经常C.双数;成对的9.(2分)根据文段内容,选择短语填空,正确的一项是()春天的雨,______,给山野披上美丽的衣裳;夏天的雷,______,为生命敲响热烈的战鼓;秋天的风,______,为落叶送去温馨的问候;冬天的雪,______,为庄稼带来多情的呵护。
①迅疾而猛烈②慈祥而温厚③细腻而温柔④凉爽而惬意A.③①④②B.④②③①C.②③①④D.③②①④10.(2分)《真理诞生于一百个问号之后》在表达方法上比较突出的特点是()A.用具体事实说明道理。
小学数学六年级上册应用题解答题精选综合练习题(提高篇)经典题目(含答案)
小学数学六年级上册应用题解答题精选综合练习题(提高篇)经典题目(含答案)一、六年级数学上册应用题解答题1.修路队三天刚好修完一条路,已知第一天修了全程的25%,第二天比第一天多修30米,第三天修5米,这条路共有多少米?2.如下图是一组有规律的图案,第1个图案由4个基础图形组成,第2个图案由7个基础图形组成,……,第n(n是正整数)个图案中由______个基础图形组成.3.一个书架,原来上层和下层中书的本数比是8:7,如果从上层取出8本书放放下层,这时上层和下层的比为4:5,原来上层和下层各有图书多少本?4.一本故事书有180页,小红第一天看了全书的.(1)如果第二天看的相当于第一天的,第二天看了多少页?(2)如果第一天与第二天看的页数比是5:4,第二天看了多少页?(3)如果第二天看了全书的,第二天比第一天多看多少页?5.下图中,涂色部分甲比乙的面积大211.25cm。
求BC的长。
6.如图,已知三角形OAB的面积是18平方厘米,求阴影部分的面积.7.分别以直角三角形ABC的三条边为直径画了三个半圆,得到下图。
求阴影部分的周长和面积。
(单位:cm)8.(1)某大酒店里有一种方圆两用餐桌(即外圆中方)。
请你借助圆规等学具,选择相对合理数据画出这种方圆两用桌的桌面模形(要保留作图痕迹),并将正方形外的部分涂上阴影。
(提示:在圆中画一个最大的正方形)(2)如果圆桌的直径是1米,那么图中阴影部分的面积是多少平方米?9.六年级举行体操和拔河比赛,参赛人数占全年级的40%,参加体操比赛的占参赛总人数的25,参加拔河比赛的占参赛总人数的34,两项都参加的有12人,全年级共有多少人?10.列出综合算式,不计算。
一根电线先截去它的40%,还剩下12米,再截去多少米后,这时正好剩下这根电线全长的14?11.4月23日是世界读书日,每年的这一天,世界上百多个国家都会举办各种各样的庆祝和图书宣传活动。
某书店这天在图书定价的基础上降价20%出售某种图书,售价每本19.2元。
小学数学六年级上册应用题解答题精选综合练习题(提高篇)附答案
小学数学六年级上册应用题解答题精选综合练习题(提高篇)附答案一、六年级数学上册应用题解答题1.有甲、乙两列火车,乙车的速度比甲车速度慢20%。
乙车先从B站出发开往A站行驶到距离B站72千米处时,甲车从A站出发开往B站,相遇时,甲、乙两列火车行的路程之比是3∶4。
(1)甲、乙两列火车的速度比是()∶();(2)A、B两站之间的路程是多少千米?2.探索规律.用小棒按照如图方式摆图形.(1)摆1个八边形需要根小棒,摆2个需要根小棒,摆3个需要根小棒.(2)照这样摆下去:①摆n个八边形需要多少根小棒?n=1000呢?②64根小棒可以摆多少个八边形?3.一个书架,原来上层和下层中书的本数比是8:7,如果从上层取出8本书放放下层,这时上层和下层的比为4:5,原来上层和下层各有图书多少本?4.最佳方案。
一辆小汽车与一辆大卡车在一段10000米长的狭路上相遇,必须倒车,才能继续通行。
已知小汽车的速度是每分钟行800米,大卡车的速度是每分钟行500米,两车倒车的速度是各自速度的14;小汽车需倒车的路程是大卡车需倒车的路程的4倍。
想想你觉得怎样倒车比较合理?说出你的理由?5.一批零件平均分给甲、乙两人来做.两人同时加工,当甲完成时乙还有18个没有做.已知甲、乙两人每小时生产零件个数的比是5:4.这批零件一共多少个?6.弹簧秤在正常的范围内称物体,称2千克的物体,弹簧全长为12.5cm,称8千克的物体,弹簧全长为14cm。
那么当弹簧全长为15cm时,所称物体的质量为多少千克?7.图中,三角形AOC的面积是8平方厘米,求涂色部分的面积。
8.如下图,图(1)与图(2)外面是两个同样大的正方形,只是里面的涂色部分不一样。
如果图(1)中涂色部分的面积是2235.5m,求图(2)中涂色部分的面积。
(单位:m)9.一个周长为12.56厘米的圆在长方形内滚动一周后回到初始位置(如下图所示),圆心所经过的路程是40厘米,已知图中长方形的长和宽之比是5:2,这个长方形的面积是多少平方厘米?10.赵叔叔加工一批零件,计划每小时加工125个,6小时完成,实际工作效率提高20%。
牛津上海版六年级上英语Unit5综合练习含答案
六年级上英语U5综合练习I . Choose the most proper answer.A. take, by shipsB. take, by shipC. by, take shipsD. by, take shipA. in the north ofB. the north ofC. on the north ofD. to the north ofA. thousand ofB. more than 3 thousandsC. thousands ofD. more than 3 thousands ofA. two-hour'sB. two hourC. two hour'sD. two hours'A. arriveB. arrive atC. arrive toD. arrive byA. eatB. eatingC. to eatD. eattingA. onB. inC. atD. byA. needn'tB. mustn'tC. mustD. canA. toB. atC. inD. onA. moreB. mostC. muchD. bestA. not watchB. don't watchC. doesn't watchD. does watch( ) 12. Don't worry. You still have time.A. littleB. fewC. a littleD. a few ( ) 13. A: Shall we go to Tom's birthday party together? B:.A. Yes, please.B. You needn't.C. That's a good idea.D. Right.( ) 14. Would you like our parents?A. meetB. meetingC. meetsD.to meet( ) 15. A: I am a worker. B:too.A. MeB. MineC. ID. MyⅡ. Find the words which have the same meaning to the underlined words.A. two days and a halfB. get toC. to the east ofD. walkE. overF. like to visit1.There are many __________ places in China.2.Those are his ___________ .3.Tom's father and mother are both _________ .4.Let's go _________ .5.We are __________ .Can you give us some suggestions?Ⅳ. Rewrite the sentences as required.1.There are some books in my bag. (改为否定句)2.John's mother does exercises every morning. (改为一般疑问句)does it take you to get to the school by bus?5.Beijing is a beautiful city. (改为感叹句)Reading and WritingI. Reading comprehension.(A)Jimmy lived in the country, and he loved playing in a very shallow(浅的)river near his house, but then his father got a job in a big city, and he moved there with his family.Their new house had a garden, but the garden was very small. Jimmy wasn't very happy."Is there a river near here?" he asked his mother on the first morning.His mother answered, "No, there isn't, but there's a beautiful park near here, Jimmy, and there's a pool in it. We'll go there this afternoon." Then Jimmy was happy.After lunch, Jimmy and his mother went to the park, Jimmy wanted to walk near the pool, but there was a sign in front of it. His mother read it to him: "'WARNING!' This pool is dangerous(危险的). 367 people have fallen into it. "Jimmy looked into the pool carefully. Then he said, "I can't see them."True or false:( )1. Jimmy's father worked in a big city.( )2. After breakfast, Jimmy and his mother went to the park.( )3. The garden was very small.( )4. There's a pool in the country.( )5. 367 people have fallen into the pool.(B)Visitors to London often eat in restaurants. The owners and workers in them are all from other countries. The visitors say in these restaurants they don't feel they are in England. Most of English people eat at home as much as they can. Sometimes they themselves will think they are in another country when they are in restaurants. When an Englishman goes out of a restaurant, he may find that he doesn't understand why everything is written in French and Italian.Most of English people think it is better to eat at home, because it is cheaper. They don't want to spend much money on food and they like cooking at home. They like fast food. But for Christmas, they will spend two or three weeks to get ready for it, because they want to have good food.Choose the best answer:A. they don't like the food at homeB. their homes are not in LondonC. it's cheaperD. restaurants are beautiful placesA. they are in another countryB. they are in the countryC. they are themselvesD. they love their countryA. why everything comes from French and ItalianB. why people write everything in French and ItalianC. everything in restaurantsD. everyone in restaurantsA. it is fastB. the food is expensive at homeC. it is sometimes very cheapD. the food is very cheap at homeA. In order to get more foodB. In order to have much foodC. In order to get good foodD. In order to have enough food(C)It was a Saturday morning in May. When Mrs. Edwards opened her curtains (窗帘) and looked out, she smiled and said, "It's going to be a beautiful day”. She woke(唤醒) her small son up at eight-thirty and said to him, "Get up, Teddy. We're going to the zoo today. Wash your hands and face, brush your teeth and eat your breakfast quickly. We're going to New York by train.Teddy was six years old. He was very happy now, because he liked going to the zoo very much, and he also liked going by train. He said, "I dreamed about the zoo last night, Mommy." His mother was in a hurry, but she stopped and smiled at her small son. "You did, Teddy?" she said. "And what did you do in the zoo in your dream?"Teddy laughed and answered, "You know, Mommy! You were there in my dream too. "Answer the questions:1. What did Mrs. Edwards say when she looked out of the window?2. Why was Teddy happy?3. What did Teddy dream about?4. What did Mrs. Edwards ask Teddy?5. What did Teddy answer?Ⅱ. Choose the words and expressions and complete the passage.When I was walking down the street the other day. I happened to find a small wallet 1 there. I picked up and opened it to see if I could find out the owner's name. There was 2 inside except a little money and an old photo — a picture of a woman and a girl about sixteen years old. The young one 3 the woman's daughter. I put the photo back and took the wallet to the police station. I handed the wallet to a policeman.That evening I went to 4 with my aunt and uncle. They also invited a young woman. So there werefour people at table. Her face was familiar. I was quite sure that we had met before, but I couldn't remember where I had seen her. 5 the talk, the young woman happened to mention (提及) that she had lost her wallet that afternoon. Suddenly I knew where I had seen her. She was the mother of the young girl 6 . She was very surprised, of course, when I was able to tell her about her wallet.( ) 1. A. lie B. lain C. lying D. lay( ) 2. A. something B. anything C. nothing D. everything( ) 3. A. looked for B. looked same C. seemed to D. looked like( ) 4. A. see B. have dinner C. visit D. spend holiday( ) 5. A. In B. About C. During D. Between( ) 6. A. at the police station B. on TVC. in the streetD. in the photoⅢ. Read the passage and fill in the blanks with proper words. (6分)We live in the computer age. People like scientists, teachers, writers and even students use computers to do m 1 of their work. But more than 30 years ago, c 2 couldn't do much. They were very big and expensive. Very few people were i 3 in them and knew how to use them. Today computers are smaller and c 4 . B 5 they can do a lot of work, many people like to use them. Some people even have them at h 6 .1. m __________2. c __________3. i ___________4. c ________5. B __________6. h ___________Ⅳ. Complete the following dialogues with the proper sentences in the box.1. __________2. __________3. ___________4. __________5. _________参考答案I. 1. B 2. C 3. C 4.D 5. B 6. B 7. A 8. A9. C 10. A 11. C 12. C 13. C 14. D 15. AⅡ.1. C 2. E 3. F 4. A 5. DⅢ. 1. interesting 2. children 3. teachers 4. swimming 5. touristsⅣ. 1. aren't any 2. Does, do 3. How long 4. How far 5. What aReading and WritingI. (A) 1. T 2. F 3. T 4. F 5. T(B)1. B 2. A 3. B 4. D 5. C(C) l. She said, "It is going to be a beautiful day."2.Because he wanted to go to the zoo with his mother.3.He dreamed about the zoo last night.4.She asked "What did you do in the zoo in your dream?"5.Teddy answered, "You know, Mommy! You were there in my dream too". Ⅱ. 1. C 2. C 3. D 4. B 5. C6. DⅢ. 1. much 2. computers 3. interested 4. cheaper 5. Because 6.home Ⅳ. 1. D 2. A 3. E 4. B 5. CⅤ. 略。
牛津上海版六年级上英语Unit5基础综合练习
六年级上英语U5基础综合练习Ⅰ.Write the words according to the phonetic1.Can you tell me the next __________./'prəugræm/2.The _____________ of the supper market is over there. /'entrəns/3.There is a piece of news on the ___________. /'nəutisbɔ:d/4.Our school ____________is pretty good. /kwaiə/5.You must finish your ___________ quickly. /'prɔdӡekt/6.Tom got an ___________ from his friend. /͵invi'tei∫ən/Ⅱ.Phrases translation1.开放日活动安排___________________________________________________________2.在入口处_________________________________________________________________3.听一个合唱队唱歌_________________________________________________________4.在公告板上_______________________________________________________________5.到达某地(四种表示)_______________________________________________________6.到家(三种表示)___________________________________________________________7.首先,然后,最后__________________________________________________________8.在美术劳技室_____________________________________________________________9.在大厅里_________________________________________________________________10.在第一层(两种表示)_______________________________________________________11.写一封邀请函_____________________________________________________________12.拍一些照片________________________________________________________________13.过得愉快(三种表示)________________________________________________________ Ⅲ.Complete the sentences with the give words in their proper forms.1._____________ (final), they all finish their work on time.2.Please ______________ (invitation) your parents to the school on the open day.3.His mother is a _____________ (teach) of the school.4.Mr. Smith lives on the _____________ (two) floor.5.Boys and girls, I want you to welcome your parents in _____________ (difference) places.6.Can you tell me where is the _____________ (enter) of the shopping mall.Ⅳ. Choose the word or expression in the box which is the closest in meaning to the underlined part of each sentence.( ) 1. Don’t be late for class!.( ) 2. Friends of the earth look after the environment..( ) 3. At last, they’ll have a party in the school hall.( ) 4. Our school is near my home.( ) 5. Tom will arrive at the station at 3:00 a.m.( ) 6. I often have breakfast at a quarter past six.V. Choose the best answer.( ) 1. Mary has got _____ invitation from his best friend.A. anB. aC. theD. /( ) 2. The plane will arrive _____ Shanghai _____ two o’clock this afternoon.A. at … atB. at … inC. in … inD. in … at( ) 3. Mr. Hooker wants his daughter _____ up late.A. to getB. gettingC. not to getD. got( ) 4. let him _____ the job.A. to doB. doC. doingD. to doing( ) 5. Alice is a friend of _____. We often help each other.A. meB. IC. mineD. her( ) 6. My desk mate is very friendly. She often helps me _____ my lessons.A. forB. atC. withD. in( ) 7. Tom _____ a policeman in the future.A. would like beB. would like beingC. would like to beD. would be like( ) 8. Who looks _____ , your uncle or aunt?A. oldB. olderC. more oldD. more older( ) 9. She’s never late for school, _____ she?A. isB. isn’tC. hasD. hasn’t( ) 10. What _____ you _____ tomorrow?A. are, doB. are, doingC. will, doingD. will, do( ) 11. There _____ a football match on TV this evening.A. will haveB. is going to beC. hasD. is going to have( ) 12. She _____ the big box on the roof yesterday.A. putB. putsC. will putD. putted( ) 13. We promise to stop _____ the environment.A. polluteB. to polluteC. pollutingD. polluted( ) 14. _____ visiting Space Museum next week?A. Why don’tB. How aboutC. Shall weD. Let’s( ) 15. A: Thank you for your help.B: _____.A. No, thanksB. Thank you.C. It’s my pleasureD. All right( ) 16.A: What are you going to do at this weekend?B: _____.A. You are right.B. How bout going fishing?C. What about go fishingD. Not at allVI. Rewrite the sentences as required.1.We can buy some books here.(改为否定句)We _____________ buy _____________ books here.2.I’m going to leave here at 7:00 a. m.(对划线部分提问)_____________ _____________ you going to leave here?3.The girl is going to do her homework. (改为一般疑问句)_____________ the girl _____________ to do her homework?4.They will visit the room soon. (改为否定句)They_____________ _____________ the room soon?5.We can take the underground to get there.(同意句转换)We can get there _____________ _____________.6.Tony got an invitation from me. (同意句转换)_____________ _____________ Tony to my birthday party.VII. Choose the word or expression in the box which is the closest in meaning to the underlined part of each sentence.( ) 1. After that they will go to the new library.( ) 2. What about going swimming at the weekend?.( ) 3. They arrived at the airport at 8:00 p.m.( ) 4. Tom will ask Mary to come to his birthday party.( ) 5. They went to the small village finally.( ) 6. Tony lives on the ground floor in that building.VIII.Choose the best answer.( ) 1. Now children are having _____ happier life than their parentsA. anB. aC. theD. /( ) 2. China showed the world the 2008 Olympic torch _____ April 26, 2007.A. atB. inC. onD. /( ) 3. They’ll _____ the school choir in the hall.A. listenB. listen toC. soundD. hear( ) 4. Let’s talk _____ our programme for our Open Day.A. toB. aboutC. withD. for( ) 5. Mary is my best friend. I’ve just got a letter from _____.A. herB. hersC. sheD. herself( ) 6. Is Bob _____ the entrance or _____ the hall now?A. at… inB. at…atC. in…inD. in…at( ) 7. There _____ some milk in the glass.A. haveB. hasC. isD. are ( ) 8. Let’s _____ a picnicA. haveB. hadC. havingD. has( ) 9. On the Open Day, our parents will look at the projects at _____ (3:15)A. a quarter to threeB. three fiftyC. fifteen to fourD. a quarter past three( ) 10. He is a new student here. He has _____ friends here.A. manyB. a littleC. fewD. little( ) 11. Tom _____ a letter to her mother last week.A. is writingB. writesC. wroteD. is going to write ( ) 12. You can’t _____ your cat here.A. takeB. bringC. playD. move( ) 13. Which game do you like _____, chess or cards?A. betterB. bestC. wellD. more( ) 14. Tom took some photos _____ the English club _____ the Open Day.A. to…onB. to… forC. for…forD. for… on( ) 15. A: I am so sorry.B: _____.A. You are welcomeB. That’s all rightC. Thank youD. All right阅读Reading and WritingⅠ. Reading comprehension.AComplete the following dialogue with proper sentences in the box. (5%)A: Hi, Peter. I’ve got two tickets for a football match this evening. Would you like come with me?B: Great! _____1_____A: At 7:15 p.m.B: Good. _____2_____.A: At my home.B: O. K. _____3_____A: O. K. I’ll wait for you.B: _____4_____A: It’s five past six.B: Oh, I must hurry up. _____5_____A: See you.1.______2. ______3. ______4._______5. ______BTrue of false.5%On New Year’s Eve, people in Italy throw out all the old things. So there are chairs, beds, clothes and plates in the streets. In Spain, the new year comes earlier. In the evening people come together to the street. Each holds a bag of grapes. When twelve o’clock comes, people start eating grapes.In Japan, people eat noodles on New Year’s Eve. This food is said to bring long life. Early the next morning, some families climb Mount Fuji. There they watch the first sunrise of the new year.( ) 1. The text is about New Year’s Eve in different countries.( ) 2. People in Spain welcome New Year by eating the grapes.( ) 3. People in both Italy and Japan throw things on New Year’s Eve.( ) 4. Japanese climb Mount Fuji for skiing.( ) 5. People in Japan hope to get a long life from their New Year’s food.CChoose the right answer. (5%)Sam lives in New York. His father has a shop there and his mother is a doctor. He is seven years old now and begins to go to school this autumn. His home is far from school so his father drives a car to take him to school every day.It’s Monday today. Miss White is teaching them to count from one to ten. Sam is studying hard. And soon he gets it. Miss White is happy and asks: “How many people are there in your family, Sam?”“Two”, Sam says.“Who are they?”“My father and mother.”“Oh?” Miss White is surprised. She says: “There are three people in your family”.“But now, I’m not at home, I’m at school, you know.”( ) 1. Sam’s father works _____.A. in a schoolB. in his shopC. in a factoryD. in the farm( ) 2. Now Sam is in Grade_____.A. OneB. TwoC. ThreeD. Four( ) 3. Sam goes to school _____ every day.A. by busB. on foot.C. by carD. by bike( ) 4. What day is it today?A. It’s Children’s Day.B. It’s September 26.C. It’s Sunday.D. It’s Monday.( ) 5. Which one is wrong?A. Sam is at school now.B. There are two people in Sam’s family.C. Miss White is happy because Sam can count from one to ten.D. Miss White doesn’t know how many people there’re in Sam’s family.DAnswer the questions.5%Yesterday was Open Day at my school. My parents listened to a lesson in my class.They arrived at 1 o’clock in the afternoon. First, they had seats in the back of the classroom. Next, class began. It was an English lesson. Usually, we have the English “quick response”, so I was very nervous. But to my surprise(令我惊讶的是),my teacher didn’t ask me any questions. I thought I was the luckiest person in the world. Then I felt relaxed and didn’t listen to the teacher carefully.Just at that time, my teacher suddenly said to me, “Please answer this question according to(根据) the text”.I began to look for the answer hurriedly. Finally, I gave the right answer, but I thought I was the stupidest person in the world.After class, my parents didn’t scold (责怪)me but smiled and said, “You can do better, you know.”1.Did the writer’s parents listen to a lesson in writer’s class on the Open Day?___________________________________________________________2.When did writer’s parents arrive?___________________________________________________________ 3.Was it an English lesson or a maths lesson?___________________________________________________________ 4.Did the writer give the right answer?___________________________________________________________ 5.What do you think of the writer’s parents?。
六年级上册综合练习一至五
六年级上册综合练习五
1.列式计算:
①60的20%正好是一个数的75%,求这个数。
② 与 的和除它们的差,商是多少?
③比一个数的80%多4.2的数是12.2,求这个数。
2.学校运来30捆树苗,每捆10棵,按3︰7分给五六年级种植,五年级比六年级少分得多少棵树苗?
24.一项工程,甲乙两队合做12天完成。现在由甲队先做18天,乙队再接替甲队做8天,这样正好完成全部任务。这项工程如果甲队独做,多少天完成?
25.学校准备用一笔捐款买课桌椅。若用全部捐款可买60套桌椅,若单买桌子,可买80张,若单买椅子可买多少张?如果每张椅子25元,这笔捐款是多少元?
六年级上册综合练习三
20.水结冰后体积比原来增加 ,冰化成水后体积减少几分之几?
21.一辆汽车以每小时45千米的速度行了全程的 后,离中点还有90千米,照这样的速度,行完全程要多少小时?
22.商店都以60元的价格出售两件不同的衣服,按成本计算,一个赚了 ,另一件赔了 ,出售后是亏了还是赚了?相差几元?
23.一项工程,甲要20天完成,乙要30天完成,在两人合做中,甲休息了5天,共要多少天才能完成全工程?
10.李冰在一次测验中,做对的题数是11道,错了4道,李冰在这次测验中做对题数占总题数的百分之几?
11.某厂的一种产品,原来每件成本96元,技术革新后,每件成本降低到了84元,每件成本降低了百分之几?
12.某小学今年计划全年用水250吨,比去年节约用水30吨,今年比去年计划节约用水百分之几?
0.4∶ 0.3吨∶150千克0.6∶
11.水池中有两水管,单开甲水管10小时可将空池放满水,单开乙水管15小时可将满池水放完,现两管齐开,几小时可将空池放满?
小学数学六年级上圆提高练习
圆综合提升练习题姓名:班级:分数一、填空:1、圆的周长老是直径长度的()倍多一些。
这个倍数是个固定的数,我们把它叫做(),用字母()表示。
2、用字母表示圆周长的公式是()或()。
3、自行车的车轮转动一周,所行的行程是车轮的()。
4、要画一个半径为 4 厘米的圆,圆规的两脚应叉开()厘米;要画一个周长是18.84 厘米的圆,圆规的两脚应叉开()厘米。
5、大圆直径是小圆直径的 3 倍,大圆周长是小圆周长的()倍。
6、一个周长是12.56 厘米的圆,半径是()厘米。
列式:7、做 r =20cm 的铁圈 100 个,需要铁丝()米。
列式:8、把一块边长是10 分米的正方形铁片,剪成一个最大的圆形,这个圆的周长是()。
列式:二、解决问题1、一种压路机的前轮直径是 6 分米,假如它每分钟转 3 周,它每分钟行进多少?2、一只大钟,分钟长60 厘米, 2 个小时后,分针的尖端走了多少厘米?3、一根铁丝长 18.84 米,绕成 10 个圈,每个圆形圈的半径是多少?4、一根铁丝正好折成一个等边三角形,它的边长为31.4 厘米,假如把相同长的铁丝围成一个圆,这个圆的直径长多少厘米?三、求暗影部分的周长和面积1、一个圆形桌面的直径是2米,它的面积是()平方米。
2.已知圆的周长,求 d=(),求 r=()。
3.环形面积 S=()。
4.圆的半径扩大 2倍,直径就扩大()倍,周长就扩大()倍,面积就扩大()倍。
5.用圆规画一个周长 50.24厘米的圆,圆规两脚尖之间的距离应是()厘米,画出的这个圆的面积是()平方厘米。
6.大圆半径是小圆半径的 4倍,大圆周长是小圆周长的()倍,小圆面积是大圆面积的()。
7.圆的半径增添 5倍,圆的周长增添(),圆的面积增添()。
8.一个半圆的周长是 20.56分米,这个半圆的面积是()平方分米。
9.将一个圆均匀分红 1000个完整相同的小扇形,割拼成近似的长方形的周长比本来圆周长长10厘米,这个长方形的面积是()平方厘米。
上海六年级英语综合练习题(含答案)5
上海六年级英语综合练习题5I.Choose the best answer1.Peter doesn’t like playing________piano,but he is keen on playing__________football.A./;/B.The;/ .C.The;theD./;the2._____the two boys come from the USA.A.Neither ofB.All ofC.Either ofD.Both of3.It took us_______to complete the tough task.A.some timeB.sometimeC.some timesD.sometimes4.The class_____the victory of the football match when I entered the classroom.A.celebratedB.were celebratingC.Was celebrateD.has celebrated5.Be quite,please!I have______to say.A.Important anythingB.Important somethingC.something importantD.anything important.6.We can’t see_____sun on a rainy day.A.aB.theC./D.an7.India has the second________population in the world.A.MostrgestC.Morerger8.The driver is very_____.He often drives his car______.A.Careful,carefullyB.carefully,carefulC.careful,carefulD.carefully,carefully9.Mr.Green taught_____English last year.A.ourB.weD.ourselves10.I often help____________.A.He or sheB.his and herC.him and herD.his and hers11.Though they have cleaned the floor,there is still_______water on it.A.littleB.A littleC.fewD.A few12.Linda often helps her mother______the housework at home.A.forB.withC.inD.to13.I was born_____August25,1983.A.inB.onC.atD.to14.They_______a football match last night.A.sawB.watchedC.lookedD.noticed15.I can’t hear the radio.Would you please_______?A.Turn it upB.turned it downC.turn up itD.Turn down it16.Mr.Green isn’t here.He_______London.A.Has been toB.Has gone toC.Have been inD.Has gone in17.I’m going to finish my homework when I_____my homework.A.Will finishB.finishC.finishedD.finishes18.Mrs.Fang asked the boys_________A.Where is Mr.LiB.Where was Mr.LiC.Where Mr.Li is D Where Mr.Li was19.The flowers must_____every day.A.waterB.be waterC.Be wateredD.be watering20.It’s time to have a class now.Let’s___________.A.Stop talkingB.Stop to talkC.stop to talkingD.stop talk21.I spent half an hour____________my homework.A.Finish doingB.To finish doingC.finishing to doD.finishing doing22._________English well is not easy.A.To learningB.To learnC.LearnD.For learning23.A:Would you like_____with me?B:Yes,I’d___.A.To come,love toe,love toC.to come,lovee,love24.It takes us a lot of time________the dirty house.A.cleanB.cleanedC.cleaningD.to clean25.You______return the book now.You can keep it for another week.A.Needn’tB.mustn’tC.can’tD.won’t26.---___________I come in?----Yes,come in please.A.MustB.MayC.WillD.Need27.___________late for the class again.A.Don’tB.Don’t beC.Not beD.won’t be28.----________blouses do you like best?----The blue one.A.WhoB.HowC.WhichD.Whose29.Alice has to finish her homework now,________?A.Has sheB.hasn’t sheC.does sheD.doesn’t she30.__________is it from Beijing to Shanghai?A.How longB.How soonC.How farD.How manyplete the sentences with the given words in their appropriate forms.31.The toy car is quite______.(shine)32.Have you written an_______(invite)?33.The________lesson is the easiest in Book12.(twenty)34.Let’s walk_____because the baby is sleeping.(quiet)35.Yesterday was my mother’s_____birthday.(ninety)36.Don’t run_____(cross)the street when there is a red man.37.How many_____(woman teacher)are there in your school?38.Do you know any________(science)in China?39.Who is the________(good)at swimming in your family?40.Where are the__________rooms.(child)III.Fill in the blanks with the correct for of the given words.41.I_____to visit a friend of mine yesterday afternoon.(go)42.My mother_______for us when we entered the room.(cook)43.The rubbish________terrible.The litter bin hasn’t been emptied yet.(smell)44.If he________harder,he will soon catch up with us.(study)45.Jane______a new dress every month when she was in Shanghai.(buy)46.There_____(be)a meeting this afternoon.47.She_________a book when I came into her room.(read)48._______Jack________(come)tonight?49.----How long____you_____(teach)English at this school.---For about ten years.50.It was eight and the children_____(do)their homework.plete the sentences as required.51.You can see something in the room.(变否定句)You________see_______in the room.52.He has already been to America.(改为否定句)He_____been to America________.53.Let’s go shopping.(改反义疑问句)Let’s go shopping,______________?54.What job do you do?(同义句转换)What______________?55.Fishermen usually catch fish.(改为单数句子)A__________________fish.56.Mary is tall,but her brother is taller.(保持原句意思)Mary is________her brother.57.They visited the Science Museum yesterday.(就划线部分提问)____________they_____yesterday?58.My father will come back in two weeks.(划线提问)__________will______father come back?59.It takes me2hours to get to Beijing by air.(划线提问)______________does it take you to get to Beijing?60.I spent56dollars buying the present.(划线提问)___________did you_______buying the present.V.Reading ComprehensionMy friend,John is a university st summer,he went to Germany and stayed for two months.I was surprised that John was able to have such a long holiday.“How did you manage it,John?”I asked,“I thought you were going to stay there for two weeks.”“It was easy,”John answered.“I got a job there.”“A job?What did you do?”“I gave English lessons to a shop-owner.We became good friends.”“But you're not a teacher!”“Mr Tanaka,the shop-owner,knew I was not a teacher,but he said he had a lot of American customers,so he wanted to learn English.I spent three hours a day talking to him.In return,he gave me a room,three meals a day and quite a lot of pocket money.”“Did he learn much English?”“I don't know,”John said,“but I learnt a lot of German!”61.John is______.A.One of my friends.B.A teacherC.A middle school studentD.A shopkeeperst summer John was in Germany for________.A.Two weeksB.Two monthsC.One weekD.One month63.John spent a long holiday in Germany because_____.A.He had a lot of moneyB.He got money from his uncleC.Before he went there he worked hard and saved some moneyD.He found a job64.How did the shopkeeper pay him?A.He gave him a lot of moneyB.He gave him a roomC.He offered him three meals a day and a little moneyD.Both B and C65.______learned a lot of German last summer.A.I B,The shopkeeper C.John D,A girlB.Choose the words or expressions and complete the passage.The Mid-autumn Festival is a time for family reunion and___66___So I decide to visit a home for the elderly with my classmates.We will___67___a lot of fruit to them,and I have also prepared a cross talk(相声)with my classmate.It is funny and will make the elderly people laugh.We will chat with them and do some cleaning___68__them.I wish them a happy Mid-autumn Festival.What I like most about the Mid-autumn Festival is the full moon.In China,a full moon has a lot of ___69___meanings:brightness,reunion,and goodness.On the day of the Mid-autumn Festival,I love staying beside the window and looking at the moon quietly.The moon shines__70___in the sky,and stars flash on and off around her.____71____a beautiful Mid-autumn night it is!66.A.happy B.happily C.happier D.happiness67.A.bring B.take C.pick D.buy68.A.on B.for C.at D.in69.A.brightly B.brightness C.bright D.more bright70.A.How B.Where C.What D.WhoseC.Read the passage and fill in the blanks with proper words.New York is one of the most exciting c__72___in the world.You might want to do some shopping in New York.Fifth Avenue is probably New York's most f____73__shopping street,but if you go,be prepared to"window shop"only.This is shopping for the rich.There are other,less expensive shopping areas nearby,and you'll soon come across famous stores(商店)such as Bloomingdales,Macy's and FAO Schwartz.And if you've brought your rollerblades(滚轴溜冰鞋),then a visit to Central Park is a must.This is a large,open park right in the m____74___of Manhattan,but if you thought that people came here to r___75___, sit down for a few minutes and get away from the rush(忙碌)of New York life,then you'd be wrong. Nobody sits in Central Park:they run,jog,and most of all,they rollerblade.When you leave New York,you might be tired,even poor and overweight,but the one thing you won't be is b___76___!72________73________74_________75_______76_________Keys:1BDABC BBACC BBABA BBDCA DBADA BBCDC2shiny;invitation;twentieth;quietly;ninetieth;across;women teachers;scientists;best;children’s3went;were cooking;smells;studies;bought;is going to be;was reading;Will come;have taught; were doing4can’t see;hasn’t yet;shall we;are you;fisherman usually catches;shorter than;Where did visit; How soon your;How long;How much spend5ABDDCDBBBA Ccities famous middle relax bored。
综合素质练习题答案六年级
综合素质练习题答案六年级综合素质练习题答案六年级六年级是小学生活的最后一年,也是孩子们开始为即将到来的中考做准备的时候。
而综合素质练习题则是对学生全面能力的考察,包括语文、数学、英语等多个学科的知识和技能。
下面是六年级综合素质练习题的答案,希望能对同学们的学习有所帮助。
一、语文1. 阅读理解(1)B (2)C (3)A (4)B (5)C2. 词语运用(1)2 (2)4 (3)3 (4)13. 语法填空(1)在(2)是(3)和(4)但(5)了(6)着二、数学1. 计算题(1)45 (2)80 (3)27 (4)625 (5)32. 选择题(1)A (2)B (3)C (4)C (5)B3. 解答题(1)答案略三、英语1. 选择题(1)A (2)B (3)C (4)A (5)B2. 完形填空(1)A (2)C (3)B (4)C (5)A3. 阅读理解(1)C (2)A (3)B (4)C (5)B以上是六年级综合素质练习题的答案,希望同学们能够在检查自己答题情况的同时,对于自己的不足之处有所认识,并加以改进。
综合素质练习题不仅考察了学生的知识掌握程度,更重要的是对于学生的综合能力进行了全面的考察。
语文部分的阅读理解题考察了学生对于文章的理解能力,包括细节理解、推理判断等。
词语运用和语法填空则考察了学生对于语言规则的掌握程度。
通过这些题目的练习,学生可以提高自己的阅读理解能力和语言运用能力。
数学部分的计算题考察了学生的计算能力,包括加减乘除等基本运算。
选择题则考察了学生对于数学概念和知识的理解程度。
解答题则要求学生运用所学的数学知识解决实际问题,培养学生的问题解决能力和创新思维。
英语部分的选择题和完形填空考察了学生对于英语语法和词汇的掌握程度。
阅读理解则考察了学生对于英语文章的理解能力和阅读技巧。
通过这些题目的练习,学生可以提高自己的听说读写能力,培养对于英语的兴趣和自信心。
综合素质练习题的答案只是参考,同学们在做题时应该注重过程和思考,而不仅仅是答案的正确与否。
六年级上册数学提高练习题
六年级上册数学提高练习题1、有一篮苹果,甲取一半少一个,乙取余下的一半多一个,丙又取余下的一半,结果还剩下一个。
如果每个苹果值1元9角8分,那么这篮苹果共值多少元?2、小辉乘飞机参加世界少年奥林匹克数学金杯赛。
机窗外是一片如画的蔚蓝大海。
他看到云海占整个画面的21,并遮住一个海岛的41,露出的海岛占整个画面的41.求被遮住的海岛占应看见的整个海面的几分之几。
3、一批树苗,如果每人种树苗8棵,则要多出树苗总数3棵,如果每人种7棵,则还有4棵树苗没有人种,参加种树的人数是多少?这批树苗共有多少棵?4、有10分和20分的邮票共18张,总面值为2.80元。
问10分和20分的邮票各有多少张?5、学校春游共用10辆客车,大客车每辆坐80人,小客车每辆坐60人,大客车比小客车多坐240人,大小客车各几辆?6、一根绳子测量井深,单股量,井外余3米;双股量;到井口差4米,求绳长。
7、有两桶油,甲桶油的重量是乙桶油的1.5倍,如果从甲桶取出3.5千克倒入乙桶,则两桶油就一样重,甲乙两桶油原来各有多少千克?8、暑假期间,小强每天都坚持游泳,并对所游的距离作了记录。
如果他在暑假的最后一天游670米,则平均每天游498米;如果最后一天游778米,则平均每天游495米;如果他想平均每天游500米,那么最后一天应游多少米?9、加工一批零件,原计划15天完成,实际每天多做30个,结果只用10天就完成了任务,这批零件有多少个?10、一个正方形,如果把它的一条边长减少8米,相邻的另一条边减少3米,这个正方形就变成一个长方形,面积减少了196平方米,求原来正方形的面积。
11、甲乙两列火车分别从A、B两地同时出发相向而行,经过2.5小时在离中点30千米处相遇。
甲车速度是乙车的1.2倍,相遇时,两车各行了多少米?12、小明从家去学校,他以每分50米速度走了2分钟后,发现这样走下去就会迟到3分钟;于是他改为每分走80米,这样就能在上课前3分钟到校,小明家到学校有多远?5.13、甲从A地到B地需要5小时,乙从B地到A地,速度是甲8现在甲、乙两人分别从A,B两地同时出发,相向而行。
小学六年级语文第五单元提升练习(含答案)
时间:90分钟 满分:100分 得分:一、基础知识。
(40分)(一)读拼音,写词语。
(4分)小妹妹把衣服弄破了,不敢向奶奶说明qínɡ kuànɡ( )。
她把右臂shōu suō( )着藏在背后,奶奶拉她过来,用针线在衣服的xiù tǒnɡ( )上绣了一朵含苞欲放的huā lěi ( ),美丽极了!(二)给下面加点字选择正确的读音。
(4分)①fènɡ ②fénɡ1.我从门缝.( )里望进去,看见妈妈在缝.( )补衣服。
①màn ②wàn2.那些瓜蔓.( )长得很快,四处蔓.( )延,爬满了整个墙壁。
(三)给下面句中加点的词语找反义词,写在括号里。
(4分)1.你看那些软绵绵...( )的云朵正在天空中飘浮呢。
2.那冰条儿掉落下来,落在人的脖子里,凉冰冰...( )的。
(四)把下面的词语补充完整。
(4分)理直气( ) 一丝不( )( )头转向 一尘不( )(五)根据要求,完成句子练习。
(19分)1.我的心跳得很厉害。
(8分)(1)改比喻句:(2)改夸张句:2. 联系生活实际,用自己的话说说下面句子的意思。
(5分)人也是一样,要赶时候,赶热天,尽量地用力地长。
3.下面是小明围绕《都是淘气惹的祸》为题所选择的材料,能表达中心意思的材料有( )。
(6分)(多选)A.在教室里踢足球,把窗户玻璃打碎了B.给金鱼喂太多的饲料,把它给胀死了C.看见张奶奶过马路,主动把她扶过去D.好奇把收音机零件拆开,却不能还原(六)判断正误。
正确的打“√”,错误的打“✕”。
(5分)1.《夏天里的成长》这篇课文的中心句是“人也是一样,要赶时候,赶热天,尽量地用力地长。
”( )2.课文《盼》是铁凝写的。
( )3.“为什么我一有了雨衣,天气预报总是‘晴’呢?”这句话表现了“我”盼望下雨的急切心情。
( )4.写文章必须先确立中心,然后从不同的方面或者选取不同的事例来写,可以使这个意思表达得更全面、更充分。
五、六年级奥数提升练习题
提高练习(一)01、40个梨分给3个班,分给一班20个,其余平均分给二班和三班,二班分到()个。
02、7年前,妈妈年龄是儿子的6倍,儿子今年12岁,妈妈今年()岁。
03、同学们进行广播操比赛,全班正好排成相等的6行。
小红排在第二行,从头数,她站在第5个位置,从后数她站在第3个位置,这个班共有()人04、有一串彩珠,按“2红3绿4黄”的顺序依次排列。
第600颗是()颜色。
05、用一根绳子绕树三圈余30厘米,如果绕树四圈则差40厘米,树的周长有()厘米,绳子长()厘米。
06、一只蜗牛在12米深的井底向上爬,每小时爬上3米后要滑下2米,这只蜗牛要()小时才能爬出井口。
07、锯一根10米长的木棒,每锯一段要2分钟。
如果把这根木棒锯成相等的5段,一共要()分钟。
08、3只猫3天吃了3只老鼠,照这样的效率,9只猫9天能吃()只。
09、┖┴┴┴┴┴┴┴┴┴┚图中共有()条线段。
10、有10把不同的锁,开这10把锁的10把钥匙混在一起了,最多要试多少次,才能把这10把锁和钥匙全部配对。
11、文具店有600本练习本,卖出一些后,还剩4包,每包25本,卖出多少本?12、三年级同学种树80颗,四、五年级种的棵树比三年级种的2倍多14棵,三个年级共种树多少棵?13、学校有808个同学,分乘6辆汽车去春游,第一辆车已经接走了128人,如果其余5辆车乘的人数相同,最后一辆车乘了几个同学?14、学校里组织兴趣小组,合唱队的人数是器乐队人数的3倍,舞蹈队的人数比器乐队少8人,舞蹈队有24人,合唱队有多少人?15、小强在计算除法时,把除数76写成67,结果得到的商是15还余5。
正确的商应该是几?16、一个书架有3层书,共有270本,从第一层拿出20本放到第二层,从第三层拿出17本放到第二层,这时三层书架中书的本数相等,原来每层各有几本书?17、箱里放着同样个数的铅笔盒,如果从每只里拿出60个,那么5只箱里剩下铅笔盒的个数的总和等于原来2只箱里个数的和。
六年级上册数学提高练习.doc
1、甲数比乙数多25%,则乙数比甲数少()%o2、在一个长6厘米、宽4厘米的长方形中画一个最大的圆,这个圆的周长是()厘米,面积是)平方厘米。
3、一个圆形纸片的周长是6.28厘米,把它剪成两个完全一样的半圆,一个半圆的周长是( 面积是( )4、3.2 米=()厘米1.05平方米=()平方米)平方厘米5、6、若15%a 等于25%b,则a ( 一根绳子长8米,第一次剪去§ ,)b 。
填 <、>、=) 第二次剪去}米,还剩()米。
7、某班男生人数占女生人数的80%, 女生比男生多4人,女生有男生有)人,这个班共有学生( )人。
8、甲、乙二人的岁数比是5: 8,甲的岁数是乙的 )%o9、把20克糖放入80克水中,糖占糖水的()%,糖比水少( )%o10、11、12、 甲数是乙数的40%,那么乙数比甲数多( 小红化简土: 2时,把比的前项扩大了 3倍,那么比的后项应加上( 3 比55千米多10%是( ),55千米比( )%o)多 10% O )才能使比值不变。
13、 植一批树,成活35棵,死亡5棵,这批树的死亡率是( )二、判断并说明理由。
1、分母是100的分数叫做百分数。
2、走一段路原来用5分,现在只用了 4分,速度提高了 20%。
3、3米长的铁丝截去30%,还剩下2米。
4、圆的直径扩大3倍,面积就扩大9倍。
5、圆的周长总是直径的 3.14倍。
三、选择。
1、在含盐30%的盐水中,再加上3克盐, 7克水,盐水的含盐率 2、3、4、A :大于30%B :小于30%C :等于30%D :以上答案都不对 一个圆与正方形的面积相等,那么它们的周长比较( A :圆的周长长 把一根铁丝截成两段, A :第一段长 B :正方形的周长长 4 4 第一段长E 米,第二段占全长的两段相比(7 7 B :第二段长 C : 一样长C : 一样长D :无法判定 D :无法比较 有一根绳子,第一次剪去第二次剪去9米,两次剪去的米数相比( 8 8)六、列式计算。
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六年级综合提高练习5
班级: 姓名:
一、择优选取(每题3分,共30分)
1、数学活动课上,李军把一根9厘米的塑料小棒平均剪成4段围成一个正方形,每段长占全长的( )。
A 、94
B 、91
C 、41
D 、4
9 2. 把一个长6厘米,宽4厘米的长方形按2:1放大后,得到的图形的面积是( )平方厘米。
A 、48
B 、24
C 、96
D 、72
3、一个大圆的半径等于小圆的直径,则大、小两圆的面积比是( )。
A 、2:1
B 、4:1
C 、3:2
D 、4:3
4、在一个盒子里有红色、黄色、白色、蓝色的卡片各6张。
要想拿出的卡片一定有两张是同色的,至少要拿出( )张卡片。
A 、7
B 、25
C 、19
D 、5
5、有这样一组数:30,1+30,2+30,3+30,4+30,…其中第n 个数用含字母的式子表 示为( )。
A. n +30
B. (n +1)+30
C. (n +2)+30
D. (n -1)+30
6、a 、b 、c 都大于零,且8
97373÷=÷=⨯
c b a ,把a ,b ,c 从大到小排列是( )。
A 、c >a >b B 、a >c >b C 、b >a >c D 、c >b >a
7、有甲、乙两根绳子,从甲绳上先剪去全长的43,再剪去43米;从乙绳上先剪去4
3米,再剪去余下的43,这时两根绳子所剩下的长度相等。
原来这两根绳子相比( )。
A 、甲绳长 B 、乙绳长 C 、同样长 D 、无法确定
8、一个圆锥和一个圆柱,底面周长的比是3:2,体积的比是6:5,则圆锥和圆柱的高的最简整数比是( )。
A 、8:5
B 、12:5
C 、5:12
D 、5:8
9、一个两位数,十位上的数字是个位上的3
2,把十位上数字与个位上数字调换后,新数比原数大18,则原数个位数字和十位数字之和是( )。
A. 12
B. 10
C. 18
D. 21
10、下列说法中正确的个数是( )个。
①19÷6=3……1,如果被除数和除数同时扩大100倍,那么商是3,余数是100;
②一个等腰三角形的两边分别是4厘米和9厘米,则该等腰三角形的周长是17厘米或22厘米; ③圆的周长和半径成正比例;
④一组数据2,6,4,8,7,10的中位数是6.5;
⑤一个长方形长增加20%后,要使面积不变,宽应减少20%
A 、2
B 、3
C 、4
D 、5
第6题 1、四川省2010年第六次全国人口普查数据显示,全省常住人口:80418200人,把这个数改写成以“万”作单位的数是 万人。
2、B A ,是非0的自然数,A 的
85正好等于B 的43,则B A 、的最简整数比是 。
3、一根木料,用5
4小时截成5段,若每次用时相同,那么要截成10段,共要 小时。
4、有一组数:1,2,5,10,17,26,……,请观察这组数的构成规律,用你发现的规律确定第8个数为 。
5、两个数的最小公倍数是400,最大公因数是20,已知这两个数中的一个数是80,则另一个数是 。
6、如图,在平行四边形ABCD 中,被分成甲、乙、丙三个三角形,
已知,甲比丙多12平方厘米,乙与丙的比是3:4,那么
平行四边形ABCD 的面积是 平方厘米。
7、如右图,已知长方形长为8厘米,宽为4厘米,图中阴影部分的面积
是( )平方厘米。
8、两个数的和是182,小红在计算这道题时,把其中一个加数个位上的“0”漏掉了,结果算出和是92,那么两个数中较小的是( )。
9、十人参加智力竞赛,每人必须回答24个问题。
答对一题得5分,答错一题扣3分,且每人的得分均不相同。
那么最后一名最多得( )分。
10、甲、乙两人分别从周长为1600米的正方形水池ABCD 相对的两个顶点A 、C
同时出发绕池边沿A D C B A →→→→的方向行走,甲每分走50米,
乙每分走34米,则甲第一次追上乙在( )边上。
三、细心计算
(一).选用恰当方法计算下列各题(每题4分,共16分)
(1)
)]722017(75[95--⨯ (2)781049.01.785.01.081.7⨯+⨯+⨯
(3))]25.475.9(101[15.1-⨯÷ (4)5
3165715311611128⨯+⨯
第10题
(1)0.36×5-
43x=5
3 (2)12.5-2x=4x +7.1 (3)(2x +5):3=12:5
四、阅读探究填空(共6分)
把1~100的自然数,如右表那样排列,在这个数表里面,
把其中的6个数按如图方式(2行、3列)用长方形框起来。
(1)按照前面的方法框出的六个数的和最大是( );
(2)能否框出六个数,使它们的和是147? ( )。
A 、能
B 、不能
C 、无法确定
五、图形推理计算(共6分)
如图,梯形 ABCD 中,AB 平行于CD ,已知三角形ADO 面积为12平方厘米,三角形DOC 的面积为24平方厘米,那么梯形ABCD 的面积是多少平方厘米?
六、数学应用天地(每题6分,共30分)
1、红光村修一条长为1600米的水渠,第一周修了全长的25%,第二周修了余下的
32,还剩下多少米没有修?
2、橘子的重量是苹果的
32,香蕉的重量是橘子的2
1,香蕉、苹果共重220千克,橘子有多少千克?
3、“六·一节”快到了,六 (1)班同学制作红、黄、绿三种颜色的花布置教室,已知红花比黄花多9朵,绿花是红花的2倍,且比黄花多22朵。
问一共制作了多少朵花?
4、阴影部分的面积。
(单位:厘米)
2
1
5、客车和货车分别从甲、乙两站同时相向开出,5小时后相遇。
相遇后,两车仍按原速度前进,当它们相距196千米时,客车行了全程的
5
3,货车行了全程的80%。
求货车行完全程需要多少小时?
七、数学思维亮剑(每题5分,共10分)
1、已知,如图,∠ABC=15°,圆的周长为188.4厘米,平行四边形ABCD 的面积为900平方厘米,点A,B,C 都在圆上,AB 是直径,O 点是圆心,求阴影部分的面积。
2、已知
1320112012204
32===c b a (1)若c b a c b a m 43443-+++=,则=m ; (2)把上题中的m 分成若干个整数的和,使它们的积最大为n ,则n = ;
(3)再根据第2题中n 的值,计算:
861641421⨯+⨯+⨯+……+)
2(1+⨯n n = 。